52909972605 has 32 divisors (see below), whose sum is σ = 107499628800. Its totient is φ = 24187415616.

The previous prime is 52909972603. The next prime is 52909972613. The reversal of 52909972605 is 50627990925.

It is a happy number.

52909972605 is a `hidden beast` number, since 5 + 29 + 0 + 9 + 9 + 7 + 2 + 605 = 666.

It is not a de Polignac number, because 52909972605 - 2¹ = 52909972603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52909972603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27993750 + ... + 27995639.

It is an arithmetic number, because the mean of its divisors is an integer number (3359363400).

Almost surely, 2^52909972605 is an apocalyptic number.

It is an amenable number.

52909972605 is an abundant number, since it is smaller than the sum of its proper divisors (54589656195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52909972605 is a wasteful number, since it uses less digits than its factorization.

52909972605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55989410 (or 55989404 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 52909972605 in words is "fifty-two billion, nine hundred nine million, nine hundred seventy-two thousand, six hundred five".