53751 ÷ 8 = 6718 R7
Let's divide 53751 by 8.

Step 1:
8 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 5 to get 5.
Bring next digit (3) of the dividend behind the 5 and repeat the process: 53 / 8

Step 2:
8 goes into 53 6 times with a remainder of 5.
Write down 6 as next digit of of the result. 
Result so far: 6
Subtract 48 from 53 to get 5.
Bring next digit (7) of the dividend behind the 5 and repeat the process: 57 / 8

Step 3:
8 goes into 57 7 times with a remainder of 1.
Write down 7 as next digit of of the result. 
Result so far: 67
Subtract 56 from 57 to get 1.
Bring next digit (5) of the dividend behind the 1 and repeat the process: 15 / 8

Step 4:
8 goes into 15 1 times with a remainder of 7.
Write down 1 as next digit of of the result. 
Result so far: 671
Subtract 8 from 15 to get 7.
Bring next digit (1) of the dividend behind the 7 and repeat the process: 71 / 8

Step 5:
8 goes into 71 8 times with a remainder of 7.
Write down 8 as next digit of of the result. 
Result so far: 6718
Subtract 64 from 71 to get 7.

The final result is 6718 with a remainder of 7.