56388888365 has 16 divisors (see below), whose sum is σ = 68290148352. Its totient is φ = 44696401344.

The previous prime is 56388888329. The next prime is 56388888379.

56388888365 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56388888365 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56388888295 and 56388888304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422042 + ... + 539348.

It is an arithmetic number, because the mean of its divisors is an integer number (4268134272).

Almost surely, 2^56388888365 is an apocalyptic number.

It is an amenable number.

56388888365 is a deficient number, since it is larger than the sum of its proper divisors (11901259987).

56388888365 is a wasteful number, since it uses less digits than its factorization.

56388888365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118196.

The product of its digits is 265420800, while the sum is 68.

The spelling of 56388888365 in words is "fifty-six billion, three hundred eighty-eight million, eight hundred eighty-eight thousand, three hundred sixty-five".