52520302520 has 64 divisors (see below), whose sum is σ = 142996466880. Its totient is φ = 16947726336.

The previous prime is 52520302501. The next prime is 52520302547. The reversal of 52520302520 is 2520302525.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52520302520.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5512079 + ... + 5521598.

It is an arithmetic number, because the mean of its divisors is an integer number (2234319795).

Almost surely, 2^52520302520 is an apocalyptic number.

It is an amenable number.

52520302520 is an abundant number, since it is smaller than the sum of its proper divisors (90476164360).

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

52520302520 is a wasteful number, since it uses less digits than its factorization.

52520302520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033712 (or 11033708 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 52520302520 in words is "fifty-two billion, five hundred twenty million, three hundred two thousand, five hundred twenty".