554580 ÷ 90 
We're looking to find how many times 90 goes into 554580.

Advancing to step 1:
If we divide 5 by 90, we get 0 and a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Take the next digit (5) from the dividend and append it to 5, then repeat: 55 / 90

Moving on to step 2:
When dividing 55 by 90, we get 0 with a remainder of 55.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 55 leaves us with 55.
Fetch the next digit (4) from the dividend, attach it to 55 and continue: 554 / 90

On to step 3:
90 can be fit into 554 6 times, resulting in a remainder of 14.
The next digit of our result is 6. 
Result so far: 6.0
Subtract 540 from 554 to get 14.
Grab the next digit (5) from the dividend, add it to 14, then carry on: 145 / 90

On to step 4:
The number 90 fits into 145 1 times, leaving a remainder of 55.
Write down 1 as next digit of the result. 
Result so far: 61.0
Subtracting 90 from 145 leaves us with 55.
Bring next digit (8) of the dividend behind the 55 and repeat the process: 558 / 90

Moving on to step 5:
If we divide 558 by 90, we get 6 and a remainder of 18.
Put 6 as the next digit of the answer. 
Result so far: 616.0
If we take 540 away from 558, we end up with 18.
Include the next digit (0) from the dividend after 18, then repeat: 180 / 90

Let's proceed to step 6:
180 divided by 90 is 2 with a remainder of 0.
Use 2 as the next digit of our solution. 
Result so far: 6162.0
Subtract 180 from 180 to get 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 7:
0 divided by 90 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 6162.0
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:
If we divide 0 by 90, we get 0 and a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 6162.0
Subtract 0 from 0 to get 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 6162.0, with a leftover of 0.0.