We divide 553560 by 3
Let's see how many times 3 fits into 553560.

Going ahead to step 1:
The number 3 fits into 5 1 times, leaving a remainder of 2.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 3 from 5 to get 2.
Fetch the next digit (5) from the dividend, attach it to 2 and continue: 25 / 3

Step 2:
If we divide 25 by 3, we get 8 and a remainder of 1.
The number 8 becomes the next digit in our result. 
Result so far: 18.0
The remainder is 1 after subtracting 24 from 25.
Fetch the next digit (3) from the dividend, attach it to 1 and continue: 13 / 3

Advancing to step 3:
3 goes into 13 4 times with a remainder of 1.
Use 4 as the next digit of our solution. 
Result so far: 184.0
If we subtract 12 from 13, we get 1.
Grab the next digit (5) from the dividend, add it to 1, then carry on: 15 / 3

On to step 4:
If we divide 15 by 3, we get 5 and a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 1845.0
If we take 15 away from 15, we end up with 0.
Grab the next digit (6) from the dividend, add it to 0, then carry on: 6 / 3

Let's proceed to step 5:
3 can be fit into 6 2 times, resulting in a remainder of 0.
The next digit of our result is 2. 
Result so far: 18452.0
If we subtract 6 from 6, we get 0.
Include the next digit (0) from the dividend after 0, then repeat: 0 / 3

Moving on to step 6:
0 divided by 3 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 184520.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 7:
3 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 184520.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 8:
The number 3 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 184520.0
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 184520.0, with a leftover of 0.0.