We look at the division of 81573551 by 533 
Let's see how many times 533 fits into 81573551.

Moving on to step 1:
If we divide 8 by 533, we get 0 and a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 533

Moving on to step 2:
533 goes into 81 0 times with a remainder of 81.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 81, we end up with 81.
Take the next digit (5) from the dividend and append it to 81, then repeat: 815 / 533

Going ahead to step 3:
When dividing 815 by 533, we get 1 with a remainder of 282.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Deduct 533 from 815 and we're left with 282.
Take the next digit (7) from the dividend and append it to 282, then repeat: 2827 / 533

Going ahead to step 4:
2827 divided by 533 is 5 with a remainder of 162.
The next digit of our result is 5. 
Result so far: 15.0
If we take 2665 away from 2827, we end up with 162.
Bring next digit (3) of the dividend behind the 162 and repeat the process: 1623 / 533

Step 5:
533 can be fit into 1623 3 times, resulting in a remainder of 24.
Record the quotient 3 as the next digit in the result. 
Result so far: 153.0
Subtracting 1599 from 1623 leaves us with 24.
Bring next digit (5) of the dividend behind the 24 and repeat the process: 245 / 533

Let's proceed to step 6:
The number 533 fits into 245 0 times, leaving a remainder of 245.
Use 0 as the next digit of our solution. 
Result so far: 1530.0
The remainder is 245 after subtracting 0 from 245.
Take the next digit (5) from the dividend and append it to 245, then repeat: 2455 / 533

Step 7:
533 can be fit into 2455 4 times, resulting in a remainder of 323.
Record the quotient 4 as the next digit in the result. 
Result so far: 15304.0
If we subtract 2132 from 2455, we get 323.
Take the next digit (1) from the dividend and append it to 323, then repeat: 3231 / 533

Step 8:
When dividing 3231 by 533, we get 6 with a remainder of 33.
Put 6 as the next digit of the answer. 
Result so far: 153046.0
If we subtract 3198 from 3231, we get 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

Moving on to step 9:
If we divide 330 by 533, we get 0 and a remainder of 330.
The next digit of our result is 0. 
Result so far: 153046.0
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.

Moving on to step 10:
533 can be fit into 3300 6 times, resulting in a remainder of 102.
Use 6 as the next digit of our solution. 
Result so far: 153046.06
The remainder is 102 after subtracting 3198 from 3300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1020, and continue the process.

On to step 11:
533 can be fit into 1020 1 times, resulting in a remainder of 487.
Put 1 as the next digit of the answer. 
Result so far: 153046.061
Subtract 533 from 1020 to get 487.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4870, and continue the process.

Going ahead to step 12:
533 goes into 4870 9 times with a remainder of 73.
Use 9 as the next digit of our solution. 
Result so far: 153046.0619
Deduct 4797 from 4870 and we're left with 73.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

On to step 13:
When dividing 730 by 533, we get 1 with a remainder of 197.
The next digit of our result is 1. 
Result so far: 153046.06191
Subtract 533 from 730 to get 197.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1970, and continue the process.

On to step 14:
1970 divided by 533 is 3 with a remainder of 371.
Record the quotient 3 as the next digit in the result. 
Result so far: 153046.061913
Subtracting 1599 from 1970 leaves us with 371.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3710, and continue the process.

On to step 15:
533 can be fit into 3710 6 times, resulting in a remainder of 512.
Put 6 as the next digit of the answer. 
Result so far: 153046.0619136
Subtracting 3198 from 3710 leaves us with 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 16:
533 goes into 5120 9 times with a remainder of 323.
The next digit of our result is 9. 
Result so far: 153046.06191369
Deduct 4797 from 5120 and we're left with 323.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3230, and continue the process.

The final outcome is 153046.06191369, with a leftover of 3.23e-07.