52257293088 has 576 divisors, whose sum is σ = 188595993600. Its totient is φ = 12299489280.

The previous prime is 52257293069. The next prime is 52257293159. The reversal of 52257293088 is 88039275225.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52257293088.

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 95 ways as a sum of consecutive naturals, for example, 73705278 + ... + 73705986.

It is an arithmetic number, because the mean of its divisors is an integer number (327423600).

Almost surely, 2^52257293088 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 52257293088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94297996800).

52257293088 is an abundant number, since it is smaller than the sum of its proper divisors (136338700512).

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

52257293088 is a wasteful number, since it uses less digits than its factorization.

52257293088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 52257293088 in words is "fifty-two billion, two hundred fifty-seven million, two hundred ninety-three thousand, eighty-eight".