52426335621 has 24 divisors (see below), whose sum is σ = 76931017632. Its totient is φ = 31733495200.

The previous prime is 52426335587. The next prime is 52426335653. The reversal of 52426335621 is 12653362425.

It is not a de Polignac number, because 52426335621 - 2⁶ = 52426335557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52426335621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52426335121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198706 + ... + 379916.

It is an arithmetic number, because the mean of its divisors is an integer number (3205459068).

Almost surely, 2^52426335621 is an apocalyptic number.

It is an amenable number.

52426335621 is a deficient number, since it is larger than the sum of its proper divisors (24504682011).

52426335621 is a wasteful number, since it uses less digits than its factorization.

52426335621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182033 (or 182022 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The spelling of 52426335621 in words is "fifty-two billion, four hundred twenty-six million, three hundred thirty-five thousand, six hundred twenty-one".