52642212 has 24 divisors (see below), whose sum is σ = 140379456. Its totient is φ = 15040608.

The previous prime is 52642199. The next prime is 52642223. The reversal of 52642212 is 21224625.

It is a happy 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, 313263 + ... + 313430.

It is an arithmetic number, because the mean of its divisors is an integer number (5849144).

Almost surely, 2^52642212 is an apocalyptic number.

It is an amenable number.

52642212 is an abundant number, since it is smaller than the sum of its proper divisors (87737244).

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

52642212 is a wasteful number, since it uses less digits than its factorization.

52642212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626707 (or 626705 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 52642212 is about 7255.4952966700. The cubic root of 52642212 is about 374.7814121653.

Adding to 52642212 its reverse (21224625), we get a palindrome (73866837).

The spelling of 52642212 in words is "fifty-two million, six hundred forty-two thousand, two hundred twelve".