56504040565 has 24 divisors (see below), whose sum is σ = 80709346080. Its totient is φ = 37844559648.

The previous prime is 56504040557. The next prime is 56504040583.

56504040565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56504040565 - 2³ = 56504040557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2671195 + ... + 2692264.

It is an arithmetic number, because the mean of its divisors is an integer number (3362889420).

Almost surely, 2^56504040565 is an apocalyptic number.

It is an amenable number.

56504040565 is a deficient number, since it is larger than the sum of its proper divisors (24205305515).

56504040565 is a wasteful number, since it uses less digits than its factorization.

56504040565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363521 (or 5363514 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 56504040565 in words is "fifty-six billion, five hundred four million, forty thousand, five hundred sixty-five".