56668584 has 32 divisors (see below), whose sum is σ = 161910720. Its totient is φ = 16190976.

The previous prime is 56668561. The next prime is 56668597. The reversal of 56668584 is 48586665.

It is a happy number.

It is a super-2 number, since 2×56668584² = 6422656825130112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168489 + ... + 168824.

It is an arithmetic number, because the mean of its divisors is an integer number (5059710).

Almost surely, 2^56668584 is an apocalyptic number.

It is an amenable number.

56668584 is an abundant number, since it is smaller than the sum of its proper divisors (105242136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56668584 is a wasteful number, since it uses less digits than its factorization.

56668584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337329 (or 337325 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The square root of 56668584 is about 7527.8538774341. The cubic root of 56668584 is about 384.1027828162.

The spelling of 56668584 in words is "fifty-six million, six hundred sixty-eight thousand, five hundred eighty-four".