52912397128320 has 384 divisors, whose sum is σ = 190687242695040. Its totient is φ = 14020093661184.

The previous prime is 52912397128301. The next prime is 52912397128369. The reversal of 52912397128320 is 2382179321925.

52912397128320 is a `hidden beast` number, since 5 + 2 + 91 + 23 + 97 + 128 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23333109 + ... + 25500171.

It is an arithmetic number, because the mean of its divisors is an integer number (496581361185).

Almost surely, 2^{52912397128320} 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 52912397128320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95343621347520).

52912397128320 is an abundant number, since it is smaller than the sum of its proper divisors (137774845566720).

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

52912397128320 is a wasteful number, since it uses less digits than its factorization.

52912397128320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167254 (or 2167230 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 52912397128320 in words is "fifty-two trillion, nine hundred twelve billion, three hundred ninety-seven million, one hundred twenty-eight thousand, three hundred twenty".