52099212 has 72 divisors (see below), whose sum is σ = 136343088. Its totient is φ = 15466880.

The previous prime is 52099199. The next prime is 52099213. The reversal of 52099212 is 21299025.

52099212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52099212.

It is not an unprimeable number, because it can be changed into a prime (52099213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76618 + ... + 77294.

It is an arithmetic number, because the mean of its divisors is an integer number (1893654).

Almost surely, 2^52099212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52099212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68171544).

52099212 is an abundant number, since it is smaller than the sum of its proper divisors (84243876).

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

52099212 is a wasteful number, since it uses less digits than its factorization.

52099212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 52099212 is about 7217.9783873326. The cubic root of 52099212 is about 373.4883430142.

The spelling of 52099212 in words is "fifty-two million, ninety-nine thousand, two hundred twelve".