56003644 has 24 divisors (see below), whose sum is σ = 106580880. Its totient is φ = 25641216.

The previous prime is 56003609. The next prime is 56003657. The reversal of 56003644 is 44630065.

56003644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 8614 + ... + 13645.

It is an arithmetic number, because the mean of its divisors is an integer number (4440870).

Almost surely, 2^56003644 is an apocalyptic number.

It is an amenable number.

56003644 is a deficient number, since it is larger than the sum of its proper divisors (50577236).

56003644 is a wasteful number, since it uses less digits than its factorization.

56003644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22317 (or 22315 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 56003644 is about 7483.5582445786. The cubic root of 56003644 is about 382.5945348521.

The spelling of 56003644 in words is "fifty-six million, three thousand, six hundred forty-four".