56861585814 has 16 divisors (see below), whose sum is σ = 124061641920. Its totient is φ = 17230783560.

The previous prime is 56861585813. The next prime is 56861585821. The reversal of 56861585814 is 41858516865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56861585813) 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, 430769524 + ... + 430769655.

It is an arithmetic number, because the mean of its divisors is an integer number (7753852620).

Almost surely, 2^56861585814 is an apocalyptic number.

56861585814 is an abundant number, since it is smaller than the sum of its proper divisors (67200056106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56861585814 is a wasteful number, since it uses less digits than its factorization.

56861585814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861539195.

The product of its digits is 9216000, while the sum is 57.

The spelling of 56861585814 in words is "fifty-six billion, eight hundred sixty-one million, five hundred eighty-five thousand, eight hundred fourteen".