56051569957 has 4 divisors (see below), whose sum is σ = 56052966816. Its totient is φ = 56050173100.

The previous prime is 56051569927. The next prime is 56051570023. The reversal of 56051569957 is 75996515065.

56051569957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 56051569957 - 2¹⁹ = 56051045669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56051569927) 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, 636403 + ... + 719104.

It is an arithmetic number, because the mean of its divisors is an integer number (14013241704).

Almost surely, 2^56051569957 is an apocalyptic number.

It is an amenable number.

56051569957 is a deficient number, since it is larger than the sum of its proper divisors (1396859).

56051569957 is a wasteful number, since it uses less digits than its factorization.

56051569957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396858.

The product of its (nonzero) digits is 12757500, while the sum is 58.

The spelling of 56051569957 in words is "fifty-six billion, fifty-one million, five hundred sixty-nine thousand, nine hundred fifty-seven".