54512 ÷ 2 = 27256 R0
We're going to perform division on 54512 with 2 as the divisor.

Step 1:
2 goes into 5 2 times with a remainder of 1.
Write down 2 as next digit of of the result. 
Result so far: 2
Subtract 4 from 5 to get 1.
Bring next digit (4) of the dividend behind the 1 and repeat the process: 14 / 2

Step 2:
2 goes into 14 7 times with a remainder of 0.
Write down 7 as next digit of of the result. 
Result so far: 27
Subtract 14 from 14 to get 0.
Bring next digit (5) of the dividend behind the 0 and repeat the process: 5 / 2

Step 3:
2 goes into 5 2 times with a remainder of 1.
Write down 2 as next digit of of the result. 
Result so far: 272
Subtract 4 from 5 to get 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 2

Step 4:
2 goes into 11 5 times with a remainder of 1.
Write down 5 as next digit of of the result. 
Result so far: 2725
Subtract 10 from 11 to get 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 2

Step 5:
2 goes into 12 6 times with a remainder of 0.
Write down 6 as next digit of of the result. 
Result so far: 27256
Subtract 12 from 12 to get 0.

The final result is 27256 with a remainder of 0.