56609944 has 16 divisors (see below), whose sum is σ = 106510320. Its totient is φ = 28207200.

The previous prime is 56609929. The next prime is 56609953. The reversal of 56609944 is 44990665.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56609944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9732 + ... + 14419.

It is an arithmetic number, because the mean of its divisors is an integer number (6656895).

Almost surely, 2^56609944 is an apocalyptic number.

It is an amenable number.

56609944 is a deficient number, since it is larger than the sum of its proper divisors (49900376).

56609944 is a wasteful number, since it uses less digits than its factorization.

56609944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24450 (or 24446 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 56609944 is about 7523.9580009460. The cubic root of 56609944 is about 383.9702487077.

The spelling of 56609944 in words is "fifty-six million, six hundred nine thousand, nine hundred forty-four".