593509 divided by 90 
Our goal is to divide 593509 by 90.

Moving on to step 1:
90 can be fit into 5 0 times, resulting in a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Grab the next digit (9) from the dividend, add it to 5, then carry on: 59 / 90

Going ahead to step 2:
59 divided by 90 is 0 with a remainder of 59.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 59, we get 59.
Bring next digit (3) of the dividend behind the 59 and repeat the process: 593 / 90

Step 3:
593 divided by 90 is 6 with a remainder of 53.
Record the quotient 6 as the next digit in the result. 
Result so far: 6.0
If we subtract 540 from 593, we get 53.
Grab the next digit (5) from the dividend, add it to 53, then carry on: 535 / 90

Going ahead to step 4:
The number 90 fits into 535 5 times, leaving a remainder of 85.
Put 5 as the next digit of the answer. 
Result so far: 65.0
If we subtract 450 from 535, we get 85.
Fetch the next digit (0) from the dividend, attach it to 85 and continue: 850 / 90

Step 5:
If we divide 850 by 90, we get 9 and a remainder of 40.
The next digit of our result is 9. 
Result so far: 659.0
Subtract 810 from 850 to get 40.
Bring next digit (9) of the dividend behind the 40 and repeat the process: 409 / 90

On to step 6:
90 can be fit into 409 4 times, resulting in a remainder of 49.
Put 4 as the next digit of the answer. 
Result so far: 6594.0
Deduct 360 from 409 and we're left with 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Let's proceed to step 7:
490 divided by 90 is 5 with a remainder of 40.
Use 5 as the next digit of our solution. 
Result so far: 6594.5
The remainder is 40 after subtracting 450 from 490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Let's proceed to step 8:
90 goes into 400 4 times with a remainder of 40.
The next digit of our result is 4. 
Result so far: 6594.54
Subtracting 360 from 400 leaves us with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 9:
400 divided by 90 is 4 with a remainder of 40.
The next digit of our result is 4. 
Result so far: 6594.544
Deduct 360 from 400 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The quotient of the division is 6594.544, and the remainder is 0.004.