52297212 has 48 divisors (see below), whose sum is σ = 134064000. Its totient is φ = 15735360.

The previous prime is 52297199. The next prime is 52297283. The reversal of 52297212 is 21279225.

It is a self number, because there is not a number n which added to its sum of digits gives 52297212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18339 + ... + 20997.

It is an arithmetic number, because the mean of its divisors is an integer number (2793000).

Almost surely, 2^52297212 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 52297212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67032000).

52297212 is an abundant number, since it is smaller than the sum of its proper divisors (81766788).

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

52297212 is a wasteful number, since it uses less digits than its factorization.

52297212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826 (or 2824 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 52297212 is about 7231.6811323509. The cubic root of 52297212 is about 373.9608850778.

The spelling of 52297212 in words is "fifty-two million, two hundred ninety-seven thousand, two hundred twelve".