56016565051 has 4 divisors (see below), whose sum is σ = 56091155104. Its totient is φ = 55941975000.

The previous prime is 56016565027. The next prime is 56016565063. The reversal of 56016565051 is 15056561065.

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 56016565051 - 2¹¹ = 56016563003 is a prime.

It is a super-2 number, since 2×56016565051² (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 = 56016564995 and 56016565013.

It is not an unprimeable number, because it can be changed into a prime (56016565151) 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, 37293900 + ... + 37295401.

It is an arithmetic number, because the mean of its divisors is an integer number (14022788776).

Almost surely, 2^56016565051 is an apocalyptic number.

56016565051 is a deficient number, since it is larger than the sum of its proper divisors (74590053).

56016565051 is an equidigital number, since it uses as much as digits as its factorization.

56016565051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74590052.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 56016565051 in words is "fifty-six billion, sixteen million, five hundred sixty-five thousand, fifty-one".