56563036565 has 192 divisors, whose sum is σ = 89515134720. Its totient is φ = 34049433600.

The previous prime is 56563036553. The next prime is 56563036583.

It is a happy number.

56563036565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56563036565 - 2¹⁰ = 56563035541 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 560030015 + ... + 560030115.

It is an arithmetic number, because the mean of its divisors is an integer number (466224660).

Almost surely, 2^56563036565 is an apocalyptic number.

It is an amenable number.

56563036565 is a deficient number, since it is larger than the sum of its proper divisors (32952098155).

56563036565 is a wasteful number, since it uses less digits than its factorization.

56563036565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 50.

The spelling of 56563036565 in words is "fifty-six billion, five hundred sixty-three million, thirty-six thousand, five hundred sixty-five".