56016564995 has 32 divisors (see below), whose sum is σ = 68876144640. Its totient is φ = 43721717760.

The previous prime is 56016564991. The next prime is 56016565027. The reversal of 56016564995 is 59946561065.

It is a happy number.

It is not a de Polignac number, because 56016564995 - 2² = 56016564991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56016564995.

It is not an unprimeable number, because it can be changed into a prime (56016564991) 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 31 ways as a sum of consecutive naturals, for example, 32510204 + ... + 32511926.

It is an arithmetic number, because the mean of its divisors is an integer number (2152379520).

Almost surely, 2^56016564995 is an apocalyptic number.

56016564995 is a deficient number, since it is larger than the sum of its proper divisors (12859579645).

56016564995 is a wasteful number, since it uses less digits than its factorization.

56016564995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 56016564995 in words is "fifty-six billion, sixteen million, five hundred sixty-four thousand, nine hundred ninety-five".