52501528332 has 216 divisors, whose sum is σ = 155767772160. Its totient is φ = 14781611520.

The previous prime is 52501528319. The next prime is 52501528337. The reversal of 52501528332 is 23382510525.

52501528332 is a `hidden beast` number, since 52 + 50 + 1 + 528 + 3 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52501528337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9038173 + ... + 9043979.

Almost surely, 2^52501528332 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 52501528332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77883886080).

52501528332 is an abundant number, since it is smaller than the sum of its proper divisors (103266243828).

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

52501528332 is a wasteful number, since it uses less digits than its factorization.

52501528332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941 (or 5919 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 52501528332 in words is "fifty-two billion, five hundred one million, five hundred twenty-eight thousand, three hundred thirty-two".