56397382364 has 12 divisors (see below), whose sum is σ = 99944728800. Its totient is φ = 27841745568.

The previous prime is 56397382331. The next prime is 56397382387. The reversal of 56397382364 is 46328379365.

It is a happy number.

It is a super-2 number, since 2×56397382364² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89236049 + ... + 89236680.

It is an arithmetic number, because the mean of its divisors is an integer number (8328727400).

Almost surely, 2^56397382364 is an apocalyptic number.

It is an amenable number.

56397382364 is a deficient number, since it is larger than the sum of its proper divisors (43547346436).

56397382364 is a wasteful number, since it uses less digits than its factorization.

56397382364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178472812 (or 178472810 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 56.

The spelling of 56397382364 in words is "fifty-six billion, three hundred ninety-seven million, three hundred eighty-two thousand, three hundred sixty-four".