56577368563 has 4 divisors (see below), whose sum is σ = 56611514680. Its totient is φ = 56543222448.

The previous prime is 56577368539. The next prime is 56577368591. The reversal of 56577368563 is 36586377565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56577368563 - 2⁹ = 56577368051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56577368513) 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 3 ways as a sum of consecutive naturals, for example, 17070573 + ... + 17073886.

It is an arithmetic number, because the mean of its divisors is an integer number (14152878670).

Almost surely, 2^56577368563 is an apocalyptic number.

56577368563 is a deficient number, since it is larger than the sum of its proper divisors (34146117).

56577368563 is a wasteful number, since it uses less digits than its factorization.

56577368563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34146116.

The product of its digits is 95256000, while the sum is 61.

The spelling of 56577368563 in words is "fifty-six billion, five hundred seventy-seven million, three hundred sixty-eight thousand, five hundred sixty-three".