56389910 has 32 divisors (see below), whose sum is σ = 107244000. Its totient is φ = 21288960.

The previous prime is 56389909. The next prime is 56389939. The reversal of 56389910 is 1998365.

56389910 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 15 ways as a sum of consecutive naturals, for example, 84980 + ... + 85640.

It is an arithmetic number, because the mean of its divisors is an integer number (3351375).

Almost surely, 2^56389910 is an apocalyptic number.

56389910 is a deficient number, since it is larger than the sum of its proper divisors (50854090).

56389910 is a wasteful number, since it uses less digits than its factorization.

56389910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 56389910 is about 7509.3215405921. The cubic root of 56389910 is about 383.4721253354.

The spelling of 56389910 in words is "fifty-six million, three hundred eighty-nine thousand, nine hundred ten".