56572402667 has 8 divisors (see below), whose sum is σ = 61736984112. Its totient is φ = 51411427200.

The previous prime is 56572402661. The next prime is 56572402687. The reversal of 56572402667 is 76620427565.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56572402667 - 2¹⁰ = 56572401643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56572402661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868634 + ... + 931487.

It is an arithmetic number, because the mean of its divisors is an integer number (7717123014).

Almost surely, 2^56572402667 is an apocalyptic number.

56572402667 is a deficient number, since it is larger than the sum of its proper divisors (5164581445).

56572402667 is a wasteful number, since it uses less digits than its factorization.

56572402667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802989.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 56572402667 in words is "fifty-six billion, five hundred seventy-two million, four hundred two thousand, six hundred sixty-seven".