56543222234565 has 64 divisors (see below), whose sum is σ = 110684438737920. Its totient is φ = 27158681574720.

The previous prime is 56543222234561. The next prime is 56543222234581.

56543222234565 is a `hidden beast` number, since 5 + 6 + 5 + 4 + 3 + 22 + 22 + 34 + 565 = 666.

56543222234565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56543222234565 - 2² = 56543222234561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56543222234561) 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, 177767479 + ... + 178085268.

It is an arithmetic number, because the mean of its divisors is an integer number (1729444355280).

Almost surely, 2^{56543222234565} is an apocalyptic number.

56543222234565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56543222234565 is a deficient number, since it is larger than the sum of its proper divisors (54141216503355).

56543222234565 is a wasteful number, since it uses less digits than its factorization.

56543222234565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355852879 (or 355852873 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 54.

It can be divided in two parts, 5654322 and 2234565, that added together give a palindrome (7888887).

The spelling of 56543222234565 in words is "fifty-six trillion, five hundred forty-three billion, two hundred twenty-two million, two hundred thirty-four thousand, five hundred sixty-five".