Is 56 a deficient number and what is its deficiency?

Is 56 a deficient number?

Here we will explain and calculate if 56 is a deficient number and its deficiency if applicable.

56 is a deficient number if the sum of its proper divisors is less than 56.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 7 + 8 + 14 + 28 = 64.

64 is not less than 56. Therefore, 56 is not a deficient number.

The deficiency of 56 is 56 minus the sum of its proper divisors. Thus, the deficiency of 56 is 56 - 64 = No Deficiency

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