56517761072663 has 16 divisors (see below), whose sum is σ = 64353494649600. Its totient is φ = 49132838863680.

The previous prime is 56517761072653. The next prime is 56517761072683. The reversal of 56517761072663 is 36627016771565.

It is a happy number.

56517761072663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56517761072663 - 2¹⁴ = 56517761056279 is a prime.

It is a super-2 number, since 2×56517761072663² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56517761072596 and 56517761072605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56517761072603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28681673 + ... + 30588786.

It is an arithmetic number, because the mean of its divisors is an integer number (4022093415600).

Almost surely, 2^{56517761072663} is an apocalyptic number.

56517761072663 is a deficient number, since it is larger than the sum of its proper divisors (7835733576937).

56517761072663 is a wasteful number, since it uses less digits than its factorization.

56517761072663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59274262.

The product of its (nonzero) digits is 66679200, while the sum is 62.

The spelling of 56517761072663 in words is "fifty-six trillion, five hundred seventeen billion, seven hundred sixty-one million, seventy-two thousand, six hundred sixty-three".