56165510056051 has 4 divisors (see below), whose sum is σ = 61271465515704. Its totient is φ = 51059554596400.

The previous prime is 56165510056031. The next prime is 56165510056057. The reversal of 56165510056051 is 15065001556165.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56165510056051 - 2⁴³ = 47369417033843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56165510055992 and 56165510056010.

It is not an unprimeable number, because it can be changed into a prime (56165510056057) 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, 2552977729810 + ... + 2552977729831.

It is an arithmetic number, because the mean of its divisors is an integer number (15317866378926).

Almost surely, 2^{56165510056051} is an apocalyptic number.

56165510056051 is a deficient number, since it is larger than the sum of its proper divisors (5105955459653).

56165510056051 is a wasteful number, since it uses less digits than its factorization.

56165510056051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105955459652.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 56165510056051 in words is "fifty-six trillion, one hundred sixty-five billion, five hundred ten million, fifty-six thousand, fifty-one".