56560056517 has 8 divisors (see below), whose sum is σ = 57357621720. Its totient is φ = 55766092800.

The previous prime is 56560056467. The next prime is 56560056521. The reversal of 56560056517 is 71565006565.

It can be written as a sum of positive squares in 4 ways, for example, as 9360756001 + 47199300516 = 96751^2 + 217254^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56560056517 - 2¹⁹ = 56559532229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56560056547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868734 + ... + 931567.

It is an arithmetic number, because the mean of its divisors is an integer number (7169702715).

Almost surely, 2^56560056517 is an apocalyptic number.

It is an amenable number.

56560056517 is a deficient number, since it is larger than the sum of its proper divisors (797565203).

56560056517 is a wasteful number, since it uses less digits than its factorization.

56560056517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800743.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 56560056517 in words is "fifty-six billion, five hundred sixty million, fifty-six thousand, five hundred seventeen".