56572773 has 4 divisors (see below), whose sum is σ = 75430368. Its totient is φ = 37715180.

The previous prime is 56572757. The next prime is 56572777. The reversal of 56572773 is 37727565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56572773 - 2⁴ = 56572757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56572777) 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, 9428793 + ... + 9428798.

It is an arithmetic number, because the mean of its divisors is an integer number (18857592).

Almost surely, 2^56572773 is an apocalyptic number.

It is an amenable number.

56572773 is a deficient number, since it is larger than the sum of its proper divisors (18857595).

56572773 is a wasteful number, since it uses less digits than its factorization.

56572773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18857594.

The product of its digits is 308700, while the sum is 42.

The square root of 56572773 is about 7521.4874193872. The cubic root of 56572773 is about 383.8861899593.

The spelling of 56572773 in words is "fifty-six million, five hundred seventy-two thousand, seven hundred seventy-three".