52307232 has 48 divisors (see below), whose sum is σ = 145387872. Its totient is φ = 16409600.

The previous prime is 52307231. The next prime is 52307251. The reversal of 52307232 is 23270325.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52307231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14394 + ... + 17657.

It is an arithmetic number, because the mean of its divisors is an integer number (3028914).

Almost surely, 2^52307232 is an apocalyptic number.

It is an amenable number.

52307232 is an abundant number, since it is smaller than the sum of its proper divisors (93080640).

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

52307232 is a wasteful number, since it uses less digits than its factorization.

52307232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32081 (or 32073 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 52307232 is about 7232.3738841407. The cubic root of 52307232 is about 373.9847668403.

Adding to 52307232 its reverse (23270325), we get a palindrome (75577557).

The spelling of 52307232 in words is "fifty-two million, three hundred seven thousand, two hundred thirty-two".