52508347728818 has 16 divisors (see below), whose sum is σ = 79211341800000. Its totient is φ = 26104599744432.

The previous prime is 52508347728799. The next prime is 52508347728857. The reversal of 52508347728818 is 81882774380525.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4927673 + ... + 11370956.

It is an arithmetic number, because the mean of its divisors is an integer number (4950708862500).

Almost surely, 2^{52508347728818} is an apocalyptic number.

52508347728818 is a deficient number, since it is larger than the sum of its proper divisors (26702994071182).

52508347728818 is a wasteful number, since it uses less digits than its factorization.

52508347728818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16307809.

The product of its (nonzero) digits is 240844800, while the sum is 68.

The spelling of 52508347728818 in words is "fifty-two trillion, five hundred eight billion, three hundred forty-seven million, seven hundred twenty-eight thousand, eight hundred eighteen".