52505332352 has 64 divisors (see below), whose sum is σ = 114172100640. Its totient is φ = 23852989440.

The previous prime is 52505332339. The next prime is 52505332381. The reversal of 52505332352 is 25323350525.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2844818 + ... + 2863214.

Almost surely, 2^52505332352 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 52505332352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57086050320).

52505332352 is an abundant number, since it is smaller than the sum of its proper divisors (61666768288).

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

52505332352 is a wasteful number, since it uses less digits than its factorization.

52505332352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20449 (or 20437 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 35.

Adding to 52505332352 its reverse (25323350525), we get a palindrome (77828682877).

The spelling of 52505332352 in words is "fifty-two billion, five hundred five million, three hundred thirty-two thousand, three hundred fifty-two".