56565655051 has 16 divisors (see below), whose sum is σ = 58494864064. Its totient is φ = 54678841344.

The previous prime is 56565655033. The next prime is 56565655063. The reversal of 56565655051 is 15055656565.

56565655051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56565655051 - 2¹³ = 56565646859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56565654986 and 56565655004.

It is not an unprimeable number, because it can be changed into a prime (56565655001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690565 + ... + 768121.

It is an arithmetic number, because the mean of its divisors is an integer number (3655929004).

Almost surely, 2^56565655051 is an apocalyptic number.

56565655051 is a deficient number, since it is larger than the sum of its proper divisors (1929209013).

56565655051 is a wasteful number, since it uses less digits than its factorization.

56565655051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77830.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 56565655051 in words is "fifty-six billion, five hundred sixty-five million, six hundred fifty-five thousand, fifty-one".