56785871046 has 16 divisors (see below), whose sum is σ = 114613686000. Its totient is φ = 18754966368.

The previous prime is 56785871039. The next prime is 56785871053. The reversal of 56785871046 is 64017858765.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56785871039) and next prime (56785871053).

It is a super-2 number, since 2×56785871046² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43413621 + ... + 43414928.

It is an arithmetic number, because the mean of its divisors is an integer number (7163355375).

Almost surely, 2^56785871046 is an apocalyptic number.

56785871046 is an abundant number, since it is smaller than the sum of its proper divisors (57827814954).

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

56785871046 is a wasteful number, since it uses less digits than its factorization.

56785871046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86828663.

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 56785871046 in words is "fifty-six billion, seven hundred eighty-five million, eight hundred seventy-one thousand, forty-six".