52515502515 has 96 divisors (see below), whose sum is σ = 108070889472. Its totient is φ = 23091264000.

The previous prime is 52515502493. The next prime is 52515502609. The reversal of 52515502515 is 51520551525.

52515502515 is a `hidden beast` number, since 5 + 2 + 51 + 550 + 2 + 51 + 5 = 666.

It is not a de Polignac number, because 52515502515 - 2⁵ = 52515502483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52515502515.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 888330 + ... + 945600.

It is an arithmetic number, because the mean of its divisors is an integer number (1125738432).

Almost surely, 2^52515502515 is an apocalyptic number.

52515502515 is an abundant number, since it is smaller than the sum of its proper divisors (55555386957).

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

52515502515 is a wasteful number, since it uses less digits than its factorization.

52515502515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57401 (or 57398 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 36.

The spelling of 52515502515 in words is "fifty-two billion, five hundred fifteen million, five hundred two thousand, five hundred fifteen".