56563622636565 has 64 divisors (see below), whose sum is σ = 101400654919680. Its totient is φ = 26682769693440.

The previous prime is 56563622636561. The next prime is 56563622636621.

56563622636565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56563622636565 - 2² = 56563622636561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56563622636496 and 56563622636505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56563622636561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233865466 + ... + 234107204.

It is an arithmetic number, because the mean of its divisors is an integer number (1584385233120).

Almost surely, 2^{56563622636565} is an apocalyptic number.

56563622636565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56563622636565 is a deficient number, since it is larger than the sum of its proper divisors (44837032283115).

56563622636565 is a wasteful number, since it uses less digits than its factorization.

56563622636565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280122.

The product of its digits is 1049760000, while the sum is 66.

The spelling of 56563622636565 in words is "fifty-six trillion, five hundred sixty-three billion, six hundred twenty-two million, six hundred thirty-six thousand, five hundred sixty-five".