52521260516 has 12 divisors (see below), whose sum is σ = 93867785088. Its totient is φ = 25701893352.

The previous prime is 52521260513. The next prime is 52521260551. The reversal of 52521260516 is 61506212525.

It is not an unprimeable number, because it can be changed into a prime (52521260513) 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 3 ways as a sum of consecutive naturals, for example, 139684016 + ... + 139684391.

It is an arithmetic number, because the mean of its divisors is an integer number (7822315424).

Almost surely, 2^52521260516 is an apocalyptic number.

It is an amenable number.

52521260516 is a deficient number, since it is larger than the sum of its proper divisors (41346524572).

52521260516 is a wasteful number, since it uses less digits than its factorization.

52521260516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279368458 (or 279368456 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 52521260516 in words is "fifty-two billion, five hundred twenty-one million, two hundred sixty thousand, five hundred sixteen".