52115752080 has 640 divisors, whose sum is σ = 221833420800. Its totient is φ = 10977970176.

The previous prime is 52115752057. The next prime is 52115752093. The reversal of 52115752080 is 8025751125.

52115752080 is a `hidden beast` number, since 5 + 2 + 1 + 1 + 57 + 520 + 80 = 666.

It is a super-2 number, since 2×52115752080² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10626909 + ... + 10631811.

It is an arithmetic number, because the mean of its divisors is an integer number (346614720).

Almost surely, 2^52115752080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52115752080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110916710400).

52115752080 is an abundant number, since it is smaller than the sum of its proper divisors (169717668720).

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

52115752080 is a wasteful number, since it uses less digits than its factorization.

52115752080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988 (or 4976 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The spelling of 52115752080 in words is "fifty-two billion, one hundred fifteen million, seven hundred fifty-two thousand, eighty".