56572727565 has 8 divisors (see below), whose sum is σ = 90516364128. Its totient is φ = 30172121360.

The previous prime is 56572727531. The next prime is 56572727593.

56572727565 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56572727565 - 2⁹ = 56572727053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885757571 + ... + 1885757600.

It is an arithmetic number, because the mean of its divisors is an integer number (11314545516).

Almost surely, 2^56572727565 is an apocalyptic number.

It is an amenable number.

56572727565 is a deficient number, since it is larger than the sum of its proper divisors (33943636563).

56572727565 is a wasteful number, since it uses less digits than its factorization.

56572727565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771515179.

The product of its digits is 30870000, while the sum is 57.

The spelling of 56572727565 in words is "fifty-six billion, five hundred seventy-two million, seven hundred twenty-seven thousand, five hundred sixty-five".