55745864 ÷ 864 
Let's see how many times 864 fits into 55745864.

Moving on to step 1:
If we divide 5 by 864, we get 0 and a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Take the next digit (5) from the dividend and append it to 5, then repeat: 55 / 864

Going ahead to step 2:
When dividing 55 by 864, we get 0 with a remainder of 55.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 55 to get 55.
Grab the next digit (7) from the dividend, add it to 55, then carry on: 557 / 864

Going ahead to step 3:
The number 864 fits into 557 0 times, leaving a remainder of 557.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 557 and we're left with 557.
Take the next digit (4) from the dividend and append it to 557, then repeat: 5574 / 864

Advancing to step 4:
The number 864 fits into 5574 6 times, leaving a remainder of 390.
Write down 6 as next digit of the result. 
Result so far: 6.0
If we subtract 5184 from 5574, we get 390.
Bring next digit (5) of the dividend behind the 390 and repeat the process: 3905 / 864

Step 5:
When dividing 3905 by 864, we get 4 with a remainder of 449.
Put 4 as the next digit of the answer. 
Result so far: 64.0
Subtract 3456 from 3905 to get 449.
Fetch the next digit (8) from the dividend, attach it to 449 and continue: 4498 / 864

Moving on to step 6:
If we divide 4498 by 864, we get 5 and a remainder of 178.
Use 5 as the next digit of our solution. 
Result so far: 645.0
If we take 4320 away from 4498, we end up with 178.
Include the next digit (6) from the dividend after 178, then repeat: 1786 / 864

Step 7:
If we divide 1786 by 864, we get 2 and a remainder of 58.
Write down 2 as next digit of the result. 
Result so far: 6452.0
The remainder is 58 after subtracting 1728 from 1786.
Fetch the next digit (4) from the dividend, attach it to 58 and continue: 584 / 864

Let's proceed to step 8:
864 goes into 584 0 times with a remainder of 584.
Write down 0 as next digit of the result. 
Result so far: 64520.0
Subtract 0 from 584 to get 584.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5840, and continue the process.

Moving on to step 9:
The number 864 fits into 5840 6 times, leaving a remainder of 656.
Write down 6 as next digit of the result. 
Result so far: 64520.6
If we take 5184 away from 5840, we end up with 656.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6560, and continue the process.

Let's proceed to step 10:
864 goes into 6560 7 times with a remainder of 512.
The number 7 becomes the next digit in our result. 
Result so far: 64520.67
If we subtract 6048 from 6560, we get 512.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5120, and continue the process.

Step 11:
If we divide 5120 by 864, we get 5 and a remainder of 800.
Record the quotient 5 as the next digit in the result. 
Result so far: 64520.675
If we subtract 4320 from 5120, we get 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8000, and continue the process.

Advancing to step 12:
864 can be fit into 8000 9 times, resulting in a remainder of 224.
Record the quotient 9 as the next digit in the result. 
Result so far: 64520.6759
Subtract 7776 from 8000 to get 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Going ahead to step 13:
2240 divided by 864 is 2 with a remainder of 512.
Put 2 as the next digit of the answer. 
Result so far: 64520.67592
If we subtract 1728 from 2240, we get 512.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5120, and continue the process.

Advancing to step 14:
The number 864 fits into 5120 5 times, leaving a remainder of 800.
Write down 5 as next digit of the result. 
Result so far: 64520.675925
If we subtract 4320 from 5120, we get 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8000, and continue the process.

On to step 15:
The number 864 fits into 8000 9 times, leaving a remainder of 224.
The next digit of our result is 9. 
Result so far: 64520.6759259
If we subtract 7776 from 8000, we get 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Moving on to step 16:
2240 divided by 864 is 2 with a remainder of 512.
Use 2 as the next digit of our solution. 
Result so far: 64520.67592592
If we subtract 1728 from 2240, we get 512.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5120, and continue the process.

The final result is 64520.67592592 with a remainder of 5.12e-07.