56575851685 has 8 divisors (see below), whose sum is σ = 68297556096. Its totient is φ = 44989658640.

The previous prime is 56575851679. The next prime is 56575851721. The reversal of 56575851685 is 58615857565.

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

It is not a de Polignac number, because 56575851685 - 2⁵ = 56575851653 is a prime.

It is a Duffinian number.

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, 33876921 + ... + 33878590.

It is an arithmetic number, because the mean of its divisors is an integer number (8537194512).

Almost surely, 2^56575851685 is an apocalyptic number.

It is an amenable number.

56575851685 is a deficient number, since it is larger than the sum of its proper divisors (11721704411).

56575851685 is a wasteful number, since it uses less digits than its factorization.

56575851685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67755683.

The product of its digits is 50400000, while the sum is 61.

The spelling of 56575851685 in words is "fifty-six billion, five hundred seventy-five million, eight hundred fifty-one thousand, six hundred eighty-five".