56543344334565 has 16 divisors (see below), whose sum is σ = 98693837384256. Its totient is φ = 27414954828800.

The previous prime is 56543344334527. The next prime is 56543344334639.

56543344334565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56543344334565 - 2³⁹ = 55993588520677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56543344334499 and 56543344334508.

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, 171343467516 + ... + 171343467845.

It is an arithmetic number, because the mean of its divisors is an integer number (6168364836516).

Almost surely, 2^{56543344334565} is an apocalyptic number.

56543344334565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56543344334565 is a deficient number, since it is larger than the sum of its proper divisors (42150493049691).

56543344334565 is a wasteful number, since it uses less digits than its factorization.

56543344334565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342686935380.

The product of its digits is 466560000, while the sum is 60.

It can be divided in two parts, 5654334 and 4334565, that added together give a palindrome (9988899).

The spelling of 56543344334565 in words is "fifty-six trillion, five hundred forty-three billion, three hundred forty-four million, three hundred thirty-four thousand, five hundred sixty-five".