56856334205 has 16 divisors (see below), whose sum is σ = 75112963200. Its totient is φ = 40970698560.

The previous prime is 56856334193. The next prime is 56856334211. The reversal of 56856334205 is 50243365865.

It is not a de Polignac number, because 56856334205 - 2²⁰ = 56855285629 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56856334205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4735985 + ... + 4747974.

It is an arithmetic number, because the mean of its divisors is an integer number (4694560200).

Almost surely, 2^56856334205 is an apocalyptic number.

56856334205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56856334205 is a deficient number, since it is larger than the sum of its proper divisors (18256628995).

56856334205 is a wasteful number, since it uses less digits than its factorization.

56856334205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484084.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 56856334205 in words is "fifty-six billion, eight hundred fifty-six million, three hundred thirty-four thousand, two hundred five".