The "sum" is the result of adding something together, and "digits" refers to the individual
numbers that make up 5506.
5506 has 4 digits. The digits in 5506 are 5, 5, 0, and 6.
When you are asking for the sum of the digits of 5506, you are basically asking what is
5 plus 5 plus 0 plus 6?
Therefore, the sum of the digits in 5506 is as follows:
5 + 5 + 0 + 6 = 16
Sum of digits in 5507
See if you can calculate the sum of the digits in the next number on our list before you go here.
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