52216318 has 16 divisors (see below), whose sum is σ = 97651584. Its totient is φ = 20343960.

The previous prime is 52216309. The next prime is 52216331. The reversal of 52216318 is 81361225.

It is a congruent number.

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, 169380 + ... + 169687.

It is an arithmetic number, because the mean of its divisors is an integer number (6103224).

Almost surely, 2^52216318 is an apocalyptic number.

52216318 is a deficient number, since it is larger than the sum of its proper divisors (45435266).

52216318 is a wasteful number, since it uses less digits than its factorization.

52216318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339087.

The product of its digits is 2880, while the sum is 28.

The square root of 52216318 is about 7226.0859391513. The cubic root of 52216318 is about 373.7679697404.

The spelling of 52216318 in words is "fifty-two million, two hundred sixteen thousand, three hundred eighteen".