Is 553 a deficient number and what is its deficiency?

Is 553 a deficient number?

Here we will explain and calculate if 553 is a deficient number and its deficiency if applicable.

553 is a deficient number if the sum of its proper divisors is less than 553.

The sum of its proper divisors is calculated as follows: 1 + 7 + 79 = 87.

87 is less than 553. Therefore, 553 is a deficient number.

The deficiency of 553 is 553 minus the sum of its proper divisors. Thus, the deficiency of 553 is 553 - 87 = 466

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