52305172 has 12 divisors (see below), whose sum is σ = 93481920. Its totient is φ = 25596056.

The previous prime is 52305163. The next prime is 52305179. The reversal of 52305172 is 27150325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52305179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138922 + ... + 139297.

It is an arithmetic number, because the mean of its divisors is an integer number (7790160).

Almost surely, 2^52305172 is an apocalyptic number.

It is an amenable number.

52305172 is a deficient number, since it is larger than the sum of its proper divisors (41176748).

52305172 is a wasteful number, since it uses less digits than its factorization.

52305172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278270 (or 278268 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 52305172 is about 7232.2314675348. The cubic root of 52305172 is about 373.9798572659.

Adding to 52305172 its reverse (27150325), we get a palindrome (79455497).

The spelling of 52305172 in words is "fifty-two million, three hundred five thousand, one hundred seventy-two".