56654445665 has 16 divisors (see below), whose sum is σ = 69306912576. Its totient is φ = 44443464000.

The previous prime is 56654445629. The next prime is 56654445677.

56654445665 is nontrivially palindromic in base 10.

56654445665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56654445665 - 2¹⁰ = 56654444641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56654445665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420890 + ... + 538940.

It is an arithmetic number, because the mean of its divisors is an integer number (4331682036).

Almost surely, 2^56654445665 is an apocalyptic number.

It is an amenable number.

56654445665 is a deficient number, since it is larger than the sum of its proper divisors (12652466911).

56654445665 is a wasteful number, since it uses less digits than its factorization.

56654445665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119920.

The product of its digits is 51840000, while the sum is 56.

The spelling of 56654445665 in words is "fifty-six billion, six hundred fifty-four million, four hundred forty-five thousand, six hundred sixty-five".