52456652116421 has 16 divisors (see below), whose sum is σ = 63477249826176. Its totient is φ = 42317776359936.

The previous prime is 52456652116417. The next prime is 52456652116433. The reversal of 52456652116421 is 12461125665425.

It is a happy number.

52456652116421 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 52456652116421 - 2² = 52456652116417 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52456652116421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52456652112421) 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, 28489265 + ... + 30274601.

It is an arithmetic number, because the mean of its divisors is an integer number (3967328114136).

Almost surely, 2^{52456652116421} is an apocalyptic number.

It is an amenable number.

52456652116421 is a deficient number, since it is larger than the sum of its proper divisors (11020597709755).

52456652116421 is a wasteful number, since it uses less digits than its factorization.

52456652116421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032268.

The product of its digits is 3456000, while the sum is 50.

The spelling of 52456652116421 in words is "fifty-two trillion, four hundred fifty-six billion, six hundred fifty-two million, one hundred sixteen thousand, four hundred twenty-one".