52320306 has 16 divisors (see below), whose sum is σ = 106867584. Its totient is φ = 17068944.

The previous prime is 52320299. The next prime is 52320311. The reversal of 52320306 is 60302325.

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, 92485 + ... + 93048.

It is an arithmetic number, because the mean of its divisors is an integer number (6679224).

Almost surely, 2^52320306 is an apocalyptic number.

52320306 is an abundant number, since it is smaller than the sum of its proper divisors (54547278).

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

52320306 is a wasteful number, since it uses less digits than its factorization.

52320306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185585.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 52320306 is about 7233.2776802775. The cubic root of 52320306 is about 374.0159229497.

The spelling of 52320306 in words is "fifty-two million, three hundred twenty thousand, three hundred six".