56389256 has 32 divisors (see below), whose sum is σ = 131820480. Its totient is φ = 21969600.

The previous prime is 56389231. The next prime is 56389259. The reversal of 56389256 is 65298365.

It is a happy number.

56389256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56389259) by changing a digit.

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, 45155 + ... + 46386.

It is an arithmetic number, because the mean of its divisors is an integer number (4119390).

Almost surely, 2^56389256 is an apocalyptic number.

56389256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56389256 is an abundant number, since it is smaller than the sum of its proper divisors (75431224).

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

56389256 is a wasteful number, since it uses less digits than its factorization.

56389256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91565 (or 91561 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 56389256 is about 7509.2779945878. The cubic root of 56389256 is about 383.4706428495.

The spelling of 56389256 in words is "fifty-six million, three hundred eighty-nine thousand, two hundred fifty-six".