56942831709 has 64 divisors (see below), whose sum is σ = 90309427200. Its totient is φ = 35381707200.

The previous prime is 56942831707. The next prime is 56942831723. The reversal of 56942831709 is 90713824965.

56942831709 is a `hidden beast` number, since 569 + 4 + 2 + 8 + 3 + 1 + 70 + 9 = 666.

It is not a de Polignac number, because 56942831709 - 2¹ = 56942831707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56942831707) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10458942 + ... + 10464384.

It is an arithmetic number, because the mean of its divisors is an integer number (1411084800).

It is a 1-persistent number, because it is pandigital, but 2⋅56942831709 = 113885663418 is not.

Almost surely, 2^56942831709 is an apocalyptic number.

It is an amenable number.

56942831709 is a deficient number, since it is larger than the sum of its proper divisors (33366595491).

56942831709 is a wasteful number, since it uses less digits than its factorization.

56942831709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 56942831709 in words is "fifty-six billion, nine hundred forty-two million, eight hundred thirty-one thousand, seven hundred nine".