52520302521 has 12 divisors (see below), whose sum is σ = 77148467760. Its totient is φ = 34420084920.

The previous prime is 52520302501. The next prime is 52520302547. The reversal of 52520302521 is 12520302525.

It is not a de Polignac number, because 52520302521 - 2⁵ = 52520302489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52520302501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49453615 + ... + 49454676.

It is an arithmetic number, because the mean of its divisors is an integer number (6429038980).

Almost surely, 2^52520302521 is an apocalyptic number.

It is an amenable number.

52520302521 is a deficient number, since it is larger than the sum of its proper divisors (24628165239).

52520302521 is a wasteful number, since it uses less digits than its factorization.

52520302521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98908356 (or 98908353 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 52520302521 in words is "fifty-two billion, five hundred twenty million, three hundred two thousand, five hundred twenty-one".