56580931 has 6 divisors (see below), whose sum is σ = 62192396. Its totient is φ = 51437100.

The previous prime is 56580929. The next prime is 56580967. The reversal of 56580931 is 13908565.

It is not a de Polignac number, because 56580931 - 2¹ = 56580929 is a prime.

It is a super-2 number, since 2×56580931² = 6402803505653522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56580031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233685 + ... + 233926.

Almost surely, 2^56580931 is an apocalyptic number.

56580931 is a deficient number, since it is larger than the sum of its proper divisors (5611465).

56580931 is a wasteful number, since it uses less digits than its factorization.

56580931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467633 (or 467622 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 56580931 is about 7522.0297127836. The cubic root of 56580931 is about 383.9046416682.

The spelling of 56580931 in words is "fifty-six million, five hundred eighty thousand, nine hundred thirty-one".