55091398 ÷ 171 
Let's see how many times 171 fits into 55091398.

Advancing to step 1:
The number 171 fits into 5 0 times, leaving a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Bring next digit (5) of the dividend behind the 5 and repeat the process: 55 / 171

Let's proceed to step 2:
When dividing 55 by 171, we get 0 with a remainder of 55.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 55 and we're left with 55.
Include the next digit (0) from the dividend after 55, then repeat: 550 / 171

Step 3:
171 can be fit into 550 3 times, resulting in a remainder of 37.
The next digit of our result is 3. 
Result so far: 3.0
If we subtract 513 from 550, we get 37.
Bring next digit (9) of the dividend behind the 37 and repeat the process: 379 / 171

Advancing to step 4:
When dividing 379 by 171, we get 2 with a remainder of 37.
The number 2 becomes the next digit in our result. 
Result so far: 32.0
If we take 342 away from 379, we end up with 37.
Bring next digit (1) of the dividend behind the 37 and repeat the process: 371 / 171

Let's proceed to step 5:
If we divide 371 by 171, we get 2 and a remainder of 29.
Use 2 as the next digit of our solution. 
Result so far: 322.0
Subtracting 342 from 371 leaves us with 29.
Grab the next digit (3) from the dividend, add it to 29, then carry on: 293 / 171

Advancing to step 6:
The number 171 fits into 293 1 times, leaving a remainder of 122.
The next digit of our result is 1. 
Result so far: 3221.0
Deduct 171 from 293 and we're left with 122.
Take the next digit (9) from the dividend and append it to 122, then repeat: 1229 / 171

Going ahead to step 7:
If we divide 1229 by 171, we get 7 and a remainder of 32.
Write down 7 as next digit of the result. 
Result so far: 32217.0
The remainder is 32 after subtracting 1197 from 1229.
Include the next digit (8) from the dividend after 32, then repeat: 328 / 171

Let's proceed to step 8:
The number 171 fits into 328 1 times, leaving a remainder of 157.
The next digit of our result is 1. 
Result so far: 322171.0
Subtract 171 from 328 to get 157.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1570, and continue the process.

Advancing to step 9:
171 can be fit into 1570 9 times, resulting in a remainder of 31.
Record the quotient 9 as the next digit in the result. 
Result so far: 322171.9
The remainder is 31 after subtracting 1539 from 1570.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Going ahead to step 10:
When dividing 310 by 171, we get 1 with a remainder of 139.
The next digit of our result is 1. 
Result so far: 322171.91
Subtracting 171 from 310 leaves us with 139.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1390, and continue the process.

Going ahead to step 11:
1390 divided by 171 is 8 with a remainder of 22.
Record the quotient 8 as the next digit in the result. 
Result so far: 322171.918
If we take 1368 away from 1390, we end up with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Going ahead to step 12:
The number 171 fits into 220 1 times, leaving a remainder of 49.
Use 1 as the next digit of our solution. 
Result so far: 322171.9181
The remainder is 49 after subtracting 171 from 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

On to step 13:
If we divide 490 by 171, we get 2 and a remainder of 148.
Use 2 as the next digit of our solution. 
Result so far: 322171.91812
Subtract 342 from 490 to get 148.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1480, and continue the process.

Moving on to step 14:
When dividing 1480 by 171, we get 8 with a remainder of 112.
Record the quotient 8 as the next digit in the result. 
Result so far: 322171.918128
Subtracting 1368 from 1480 leaves us with 112.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

Let's proceed to step 15:
1120 divided by 171 is 6 with a remainder of 94.
Record the quotient 6 as the next digit in the result. 
Result so far: 322171.9181286
Subtract 1026 from 1120 to get 94.
Since there are no more digits in the dividend, we add a zero to the remainder making it 940, and continue the process.

Let's proceed to step 16:
When dividing 940 by 171, we get 5 with a remainder of 85.
Put 5 as the next digit of the answer. 
Result so far: 322171.91812865
Deduct 855 from 940 and we're left with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

The final outcome is 322171.91812865, with a leftover of 8.5e-08.