We divide 53526453 by 999
We want to figure out the number of times 53526453 can be divided by 999.

Let's proceed to step 1:
999 can be fit into 5 0 times, resulting in 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.
Include the next digit (3) from the dividend after 5, then repeat: 53 / 999

Going ahead to step 2:
If we divide 53 by 999, we get 0 and a remainder of 53.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 53 leaves us with 53.
Take the next digit (5) from the dividend and append it to 53, then repeat: 535 / 999

Step 3:
999 can be fit into 535 0 times, resulting in a remainder of 535.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 535 after subtracting 0 from 535.
Grab the next digit (2) from the dividend, add it to 535, then carry on: 5352 / 999

On to step 4:
If we divide 5352 by 999, we get 5 and a remainder of 357.
The number 5 becomes the next digit in our result. 
Result so far: 5.0
Subtracting 4995 from 5352 leaves us with 357.
Include the next digit (6) from the dividend after 357, then repeat: 3576 / 999

On to step 5:
3576 divided by 999 is 3 with a remainder of 579.
The number 3 becomes the next digit in our result. 
Result so far: 53.0
If we take 2997 away from 3576, we end up with 579.
Take the next digit (4) from the dividend and append it to 579, then repeat: 5794 / 999

Moving on to step 6:
999 goes into 5794 5 times with a remainder of 799.
Record the quotient 5 as the next digit in the result. 
Result so far: 535.0
If we subtract 4995 from 5794, we get 799.
Bring next digit (5) of the dividend behind the 799 and repeat the process: 7995 / 999

Going ahead to step 7:
999 can be fit into 7995 8 times, resulting in a remainder of 3.
The next digit of our result is 8. 
Result so far: 5358.0
The remainder is 3 after subtracting 7992 from 7995.
Take the next digit (3) from the dividend and append it to 3, then repeat: 33 / 999

Let's proceed to step 8:
999 can be fit into 33 0 times, resulting in a remainder of 33.
Use 0 as the next digit of our solution. 
Result so far: 53580.0
Subtracting 0 from 33 leaves us with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Advancing to step 9:
330 divided by 999 is 0 with a remainder of 330.
Use 0 as the next digit of our solution. 
Result so far: 53580.0
If we subtract 0 from 330, we get 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Going ahead to step 10:
999 can be fit into 3300 3 times, resulting in a remainder of 303.
Use 3 as the next digit of our solution. 
Result so far: 53580.03
Subtracting 2997 from 3300 leaves us with 303.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3030, and continue the process.

Advancing to step 11:
999 can be fit into 3030 3 times, resulting in a remainder of 33.
Record the quotient 3 as the next digit in the result. 
Result so far: 53580.033
Deduct 2997 from 3030 and we're left with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

The final outcome is 53580.033, with a leftover of 0.0033.