56503830565 has 16 divisors (see below), whose sum is σ = 83451811968. Its totient is φ = 35765061696.

The previous prime is 56503830533. The next prime is 56503830571.

56503830565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56503830565 - 2⁵ = 56503830533 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 15 ways as a sum of consecutive naturals, for example, 62091667 + ... + 62092576.

It is an arithmetic number, because the mean of its divisors is an integer number (5215738248).

Almost surely, 2^56503830565 is an apocalyptic number.

It is an amenable number.

56503830565 is a deficient number, since it is larger than the sum of its proper divisors (26947981403).

56503830565 is a wasteful number, since it uses less digits than its factorization.

56503830565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124184268.

The product of its (nonzero) digits is 1620000, while the sum is 46.

Adding to 56503830565 its product of nonzero digits (1620000), we get a palindrome (56505450565).

The spelling of 56503830565 in words is "fifty-six billion, five hundred three million, eight hundred thirty thousand, five hundred sixty-five".