56573223366515 has 32 divisors (see below), whose sum is σ = 68924221888896. Its totient is φ = 44569617361920.

The previous prime is 56573223366479. The next prime is 56573223366589. The reversal of 56573223366515 is 51566332237565.

It is a happy number.

It is not a de Polignac number, because 56573223366515 - 2³⁰ = 56572149624691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1578608177 + ... + 1578644013.

It is an arithmetic number, because the mean of its divisors is an integer number (2153881934028).

Almost surely, 2^{56573223366515} is an apocalyptic number.

56573223366515 is a deficient number, since it is larger than the sum of its proper divisors (12350998522381).

56573223366515 is a wasteful number, since it uses less digits than its factorization.

56573223366515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42479.

The product of its digits is 102060000, while the sum is 59.

The spelling of 56573223366515 in words is "fifty-six trillion, five hundred seventy-three billion, two hundred twenty-three million, three hundred sixty-six thousand, five hundred fifteen".