Is 57 a deficient number and what is its deficiency?

Is 57 a deficient number?

Here we will explain and calculate if 57 is a deficient number and its deficiency if applicable.

57 is a deficient number if the sum of its proper divisors is less than 57.

The sum of its proper divisors is calculated as follows: 1 + 3 + 19 = 23.

23 is less than 57. Therefore, 57 is a deficient number.

The deficiency of 57 is 57 minus the sum of its proper divisors. Thus, the deficiency of 57 is 57 - 23 = 34

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