56511030573 has 24 divisors (see below), whose sum is σ = 90977515200. Its totient is φ = 33591694464.

The previous prime is 56511030571. The next prime is 56511030581. The reversal of 56511030573 is 37503011565.

56511030573 is a `hidden beast` number, since 5 + 6 + 51 + 1 + 0 + 30 + 573 = 666.

It is not a de Polignac number, because 56511030573 - 2¹ = 56511030571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56511030571) 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 23 ways as a sum of consecutive naturals, for example, 9716913 + ... + 9722726.

It is an arithmetic number, because the mean of its divisors is an integer number (3790729800).

Almost surely, 2^56511030573 is an apocalyptic number.

It is an amenable number.

56511030573 is a deficient number, since it is larger than the sum of its proper divisors (34466484627).

56511030573 is a wasteful number, since it uses less digits than its factorization.

56511030573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19439681 (or 19439678 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The spelling of 56511030573 in words is "fifty-six billion, five hundred eleven million, thirty thousand, five hundred seventy-three".