52805152 has 24 divisors (see below), whose sum is σ = 107315712. Its totient is φ = 25550400.

The previous prime is 52805149. The next prime is 52805167. The reversal of 52805152 is 25150825.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52805152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25624 + ... + 27607.

It is an arithmetic number, because the mean of its divisors is an integer number (4471488).

Almost surely, 2^52805152 is an apocalyptic number.

It is an amenable number.

52805152 is an abundant number, since it is smaller than the sum of its proper divisors (54510560).

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

52805152 is a wasteful number, since it uses less digits than its factorization.

52805152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53272 (or 53264 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 52805152 is about 7266.7153515189. The cubic root of 52805152 is about 375.1676927036.

Adding to 52805152 its reverse (25150825), we get a palindrome (77955977).

The spelling of 52805152 in words is "fifty-two million, eight hundred five thousand, one hundred fifty-two".