56814830865 has 80 divisors (see below), whose sum is σ = 111539736000. Its totient is φ = 27496153728.

The previous prime is 56814830857. The next prime is 56814830867. The reversal of 56814830865 is 56803841865.

56814830865 is a `hidden beast` number, since 5 + 6 + 81 + 483 + 0 + 86 + 5 = 666.

It is not a de Polignac number, because 56814830865 - 2³ = 56814830857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56814830867) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 219186 + ... + 402084.

It is an arithmetic number, because the mean of its divisors is an integer number (1394246700).

Almost surely, 2^56814830865 is an apocalyptic number.

It is an amenable number.

56814830865 is a deficient number, since it is larger than the sum of its proper divisors (54724905135).

56814830865 is a wasteful number, since it uses less digits than its factorization.

56814830865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182988 (or 182979 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 56814830865 in words is "fifty-six billion, eight hundred fourteen million, eight hundred thirty thousand, eight hundred sixty-five".