52399212 has 24 divisors (see below), whose sum is σ = 123161136. Its totient is φ = 17338368.

The previous prime is 52399211. The next prime is 52399223. The reversal of 52399212 is 21299325.

It is not an unprimeable number, because it can be changed into a prime (52399211) 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, 14293 + ... + 17580.

It is an arithmetic number, because the mean of its divisors is an integer number (5131714).

Almost surely, 2^52399212 is an apocalyptic number.

It is an amenable number.

52399212 is an abundant number, since it is smaller than the sum of its proper divisors (70761924).

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

52399212 is a wasteful number, since it uses less digits than its factorization.

52399212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32017 (or 32015 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 52399212 is about 7238.7299991090. The cubic root of 52399212 is about 374.2038504742.

The spelling of 52399212 in words is "fifty-two million, three hundred ninety-nine thousand, two hundred twelve".