56575 has 12 divisors (see below), whose sum is σ = 73408. Its totient is φ = 43200.

The previous prime is 56569. The next prime is 56591. The reversal of 56575 is 57565.

It is not a de Polignac number, because 56575 - 2⁵ = 56543 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739 + ... + 811.

2⁵⁶⁵⁷⁵ is an apocalyptic number.

56575 is a deficient number, since it is larger than the sum of its proper divisors (16833).

56575 is a wasteful number, since it uses less digits than its factorization.

56575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 109 counting only the distinct ones).

The product of its digits is 5250, while the sum is 28.

The square root of 56575 is about 237.8549978453. The cubic root of 56575 is about 38.3891227149.

Subtracting 56575 from its reverse (57565), we obtain a triangular number (990 = T₄₄).

The spelling of 56575 in words is "fifty-six thousand, five hundred seventy-five".