56345229728 has 48 divisors (see below), whose sum is σ = 111691399680. Its totient is φ = 27979416576.

The previous prime is 56345229683. The next prime is 56345229749. The reversal of 56345229728 is 82792254365.

It is a self number, because there is not a number n which added to its sum of digits gives 56345229728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9265793 + ... + 9271871.

It is an arithmetic number, because the mean of its divisors is an integer number (2326904160).

Almost surely, 2^56345229728 is an apocalyptic number.

It is an amenable number.

56345229728 is a deficient number, since it is larger than the sum of its proper divisors (55346169952).

56345229728 is a wasteful number, since it uses less digits than its factorization.

56345229728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8029 (or 8021 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 53.

The spelling of 56345229728 in words is "fifty-six billion, three hundred forty-five million, two hundred twenty-nine thousand, seven hundred twenty-eight".