56345319388 has 24 divisors (see below), whose sum is σ = 101800298880. Its totient is φ = 27259791360.

The previous prime is 56345319383. The next prime is 56345319467. The reversal of 56345319388 is 88391354365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56345319383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903420 + ... + 963772.

It is an arithmetic number, because the mean of its divisors is an integer number (4241679120).

Almost surely, 2^56345319388 is an apocalyptic number.

It is an amenable number.

56345319388 is a deficient number, since it is larger than the sum of its proper divisors (45454979492).

56345319388 is a wasteful number, since it uses less digits than its factorization.

56345319388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67917 (or 67915 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 55.

The spelling of 56345319388 in words is "fifty-six billion, three hundred forty-five million, three hundred nineteen thousand, three hundred eighty-eight".