52621460554631 has 4 divisors (see below), whose sum is σ = 52735113817632. Its totient is φ = 52507807291632.

The previous prime is 52621460554603. The next prime is 52621460554639. The reversal of 52621460554631 is 13645506412625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52621460554631 is a prime.

It is a super-2 number, since 2×52621460554631² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52621460554631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52621460554639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56826630806 + ... + 56826631731.

It is an arithmetic number, because the mean of its divisors is an integer number (13183778454408).

Almost surely, 2^{52621460554631} is an apocalyptic number.

52621460554631 is a deficient number, since it is larger than the sum of its proper divisors (113653263001).

52621460554631 is a wasteful number, since it uses less digits than its factorization.

52621460554631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113653263000.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 52621460554631 in words is "fifty-two trillion, six hundred twenty-one billion, four hundred sixty million, five hundred fifty-four thousand, six hundred thirty-one".