56318388789 has 32 divisors (see below), whose sum is σ = 84722089984. Its totient is φ = 33038850240.

The previous prime is 56318388781. The next prime is 56318388793. The reversal of 56318388789 is 98788381365.

It is not a de Polignac number, because 56318388789 - 2³ = 56318388781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56318388781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266629 + ... + 428634.

It is an arithmetic number, because the mean of its divisors is an integer number (2647565312).

Almost surely, 2^56318388789 is an apocalyptic number.

It is an amenable number.

56318388789 is a deficient number, since it is larger than the sum of its proper divisors (28403701195).

56318388789 is a wasteful number, since it uses less digits than its factorization.

56318388789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695377.

The product of its digits is 69672960, while the sum is 66.

The spelling of 56318388789 in words is "fifty-six billion, three hundred eighteen million, three hundred eighty-eight thousand, seven hundred eighty-nine".