The square of a whole number is 2809 what is the number

The square of 2809 is 53.

X = is the number; then we have the next equation:

x²=2809

x=⁺₋√2809=⁺₋53

We have two solutions: the number can be - 53 and 53.

Answer: the number can be - 53 and the number can be 53 too.

We check it out.

(-53) ²=2809

53²=2809