52009212 has 24 divisors (see below), whose sum is σ = 121601536. Its totient is φ = 17301168.

The previous prime is 52009207. The next prime is 52009249. The reversal of 52009212 is 21290025.

It is a zygodrome in base 2.

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, 2133 + ... + 10419.

Almost surely, 2^52009212 is an apocalyptic number.

It is an amenable number.

52009212 is an abundant number, since it is smaller than the sum of its proper divisors (69592324).

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

52009212 is a wasteful number, since it uses less digits than its factorization.

52009212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8817 (or 8815 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 52009212 is about 7211.7412599177. The cubic root of 52009212 is about 373.2731553372.

Adding to 52009212 its reverse (21290025), we get a palindrome (73299237).

The spelling of 52009212 in words is "fifty-two million, nine thousand, two hundred twelve".