56565500556565 has 192 divisors, whose sum is σ = 92306848112640. Its totient is φ = 32312291281920.

The previous prime is 56565500556557. The next prime is 56565500556739.

56565500556565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56565500556565 - 2³ = 56565500556557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56565500556497 and 56565500556506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9638010451 + ... + 9638016319.

It is an arithmetic number, because the mean of its divisors is an integer number (480764833920).

Almost surely, 2^{56565500556565} is an apocalyptic number.

56565500556565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56565500556565 is a deficient number, since it is larger than the sum of its proper divisors (35741347556075).

56565500556565 is a wasteful number, since it uses less digits than its factorization.

56565500556565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972 (or 6959 counting only the distinct ones).

The product of its (nonzero) digits is 506250000, while the sum is 64.

The spelling of 56565500556565 in words is "fifty-six trillion, five hundred sixty-five billion, five hundred million, five hundred fifty-six thousand, five hundred sixty-five".