52860745728 has 288 divisors, whose sum is σ = 183673526400. Its totient is φ = 14307508224.

The previous prime is 52860745687. The next prime is 52860745753. The reversal of 52860745728 is 82754706825.

52860745728 is a `hidden beast` number, since 5 + 2 + 8 + 60 + 7 + 4 + 572 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2440675 + ... + 2462237.

It is an arithmetic number, because the mean of its divisors is an integer number (637755300).

Almost surely, 2^52860745728 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 52860745728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91836763200).

52860745728 is an abundant number, since it is smaller than the sum of its proper divisors (130812780672).

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

52860745728 is a wasteful number, since it uses less digits than its factorization.

52860745728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21617 (or 21594 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 52860745728 in words is "fifty-two billion, eight hundred sixty million, seven hundred forty-five thousand, seven hundred twenty-eight".