56860847057 has 4 divisors (see below), whose sum is σ = 64983825216. Its totient is φ = 48737868900.

The previous prime is 56860847039. The next prime is 56860847093. The reversal of 56860847057 is 75074806865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56860847057 - 2⁶ = 56860846993 is a prime.

It is a super-2 number, since 2×56860847057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56860846993 and 56860847011.

It is not an unprimeable number, because it can be changed into a prime (56860847357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4061489069 + ... + 4061489082.

It is an arithmetic number, because the mean of its divisors is an integer number (16245956304).

Almost surely, 2^56860847057 is an apocalyptic number.

It is an amenable number.

56860847057 is a deficient number, since it is larger than the sum of its proper divisors (8122978159).

56860847057 is an equidigital number, since it uses as much as digits as its factorization.

56860847057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122978158.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 56860847057 in words is "fifty-six billion, eight hundred sixty million, eight hundred forty-seven thousand, fifty-seven".