52385789952 has 288 divisors, whose sum is σ = 165398163840. Its totient is φ = 15901655040.

The previous prime is 52385789947. The next prime is 52385789971. The reversal of 52385789952 is 25998758325.

52385789952 is a `hidden beast` number, since 5 + 2 + 3 + 8 + 578 + 9 + 9 + 52 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52385789952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9710968 + ... + 9716360.

It is an arithmetic number, because the mean of its divisors is an integer number (574299180).

Almost surely, 2^52385789952 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 52385789952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82699081920).

52385789952 is an abundant number, since it is smaller than the sum of its proper divisors (113012373888).

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

52385789952 is a wasteful number, since it uses less digits than its factorization.

52385789952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469 (or 5446 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 63.

The spelling of 52385789952 in words is "fifty-two billion, three hundred eighty-five million, seven hundred eighty-nine thousand, nine hundred fifty-two".