56507711855 has 8 divisors (see below), whose sum is σ = 77496290592. Its totient is φ = 38748145248.

The previous prime is 56507711837. The next prime is 56507711891. The reversal of 56507711855 is 55811770565.

56507711855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56507711855 - 2²⁶ = 56440602991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807252992 + ... + 807253061.

It is an arithmetic number, because the mean of its divisors is an integer number (9687036324).

Almost surely, 2^56507711855 is an apocalyptic number.

56507711855 is a deficient number, since it is larger than the sum of its proper divisors (20988578737).

56507711855 is a wasteful number, since it uses less digits than its factorization.

56507711855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614506065.

The product of its (nonzero) digits is 1470000, while the sum is 50.

The spelling of 56507711855 in words is "fifty-six billion, five hundred seven million, seven hundred eleven thousand, eight hundred fifty-five".