52281115488 has 288 divisors, whose sum is σ = 172679270400. Its totient is φ = 14695769088.

The previous prime is 52281115433. The next prime is 52281115511. The reversal of 52281115488 is 88451118225.

52281115488 is a `hidden beast` number, since 5 + 22 + 81 + 1 + 1 + 548 + 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 (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73738878 + ... + 73739586.

It is an arithmetic number, because the mean of its divisors is an integer number (599580800).

Almost surely, 2^52281115488 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 52281115488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86339635200).

52281115488 is an abundant number, since it is smaller than the sum of its proper divisors (120398154912).

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

52281115488 is a wasteful number, since it uses less digits than its factorization.

52281115488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 1263 counting only the distinct ones).

The product of its digits is 204800, while the sum is 45.

The spelling of 52281115488 in words is "fifty-two billion, two hundred eighty-one million, one hundred fifteen thousand, four hundred eighty-eight".