52309501872 has 20 divisors (see below), whose sum is σ = 135132879960. Its totient is φ = 17436500608.

The previous prime is 52309501831. The next prime is 52309501879. The reversal of 52309501872 is 27810590325.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52309501879) 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 3 ways as a sum of consecutive naturals, for example, 544890597 + ... + 544890692.

It is an arithmetic number, because the mean of its divisors is an integer number (6756643998).

Almost surely, 2^52309501872 is an apocalyptic number.

It is an amenable number.

52309501872 is an abundant number, since it is smaller than the sum of its proper divisors (82823378088).

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

52309501872 is a wasteful number, since it uses less digits than its factorization.

52309501872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089781300 (or 1089781294 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 52309501872 in words is "fifty-two billion, three hundred nine million, five hundred one thousand, eight hundred seventy-two".