56397264 has 80 divisors (see below), whose sum is σ = 181655040. Its totient is φ = 14647680.

The previous prime is 56397259. The next prime is 56397269. The reversal of 56397264 is 46279365.

56397264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56397259) and next prime (56397269).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56397269) 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 15 ways as a sum of consecutive naturals, for example, 3934 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (2270688).

Almost surely, 2^56397264 is an apocalyptic number.

It is an amenable number.

56397264 is an abundant number, since it is smaller than the sum of its proper divisors (125257776).

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

56397264 is a wasteful number, since it uses less digits than its factorization.

56397264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15288 (or 15282 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 56397264 is about 7509.8111827129. The cubic root of 56397264 is about 383.4887945790.

The spelling of 56397264 in words is "fifty-six million, three hundred ninety-seven thousand, two hundred sixty-four".