52216330 has 16 divisors (see below), whose sum is σ = 94326624. Its totient is φ = 20811600.

The previous prime is 52216309. The next prime is 52216331. The reversal of 52216330 is 3361225.

It is not an unprimeable number, because it can be changed into a prime (52216331) 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, 6396 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (5895414).

Almost surely, 2^52216330 is an apocalyptic number.

52216330 is a deficient number, since it is larger than the sum of its proper divisors (42110294).

52216330 is a wasteful number, since it uses less digits than its factorization.

52216330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18741.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 52216330 is about 7226.0867694763. The cubic root of 52216330 is about 373.7679983726.

Adding to 52216330 its reverse (3361225), we get a palindrome (55577555).

The spelling of 52216330 in words is "fifty-two million, two hundred sixteen thousand, three hundred thirty".