56546511564565 has 16 divisors (see below), whose sum is σ = 74024786474496. Its totient is φ = 41124589992000.

The previous prime is 56546511564527. The next prime is 56546511564581.

56546511564565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56546511564565 - 2⁷ = 56546511564437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56546511564497 and 56546511564506.

It is a congruent number.

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, 15294115 + ... + 18628015.

It is an arithmetic number, because the mean of its divisors is an integer number (4626549154656).

Almost surely, 2^{56546511564565} is an apocalyptic number.

56546511564565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56546511564565 is a deficient number, since it is larger than the sum of its proper divisors (17478274909931).

56546511564565 is a wasteful number, since it uses less digits than its factorization.

56546511564565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642300.

The product of its digits is 324000000, while the sum is 64.

The spelling of 56546511564565 in words is "fifty-six trillion, five hundred forty-six billion, five hundred eleven million, five hundred sixty-four thousand, five hundred sixty-five".