52216612 has 12 divisors (see below), whose sum is σ = 104433280. Its totient is φ = 22378536.

The previous prime is 52216609. The next prime is 52216631. The reversal of 52216612 is 21661225.

52216612 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932412 + ... + 932467.

Almost surely, 2^52216612 is an apocalyptic number.

It is an amenable number.

52216612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52216612 is a wasteful number, since it uses less digits than its factorization.

52216612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864890 (or 1864888 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 52216612 is about 7226.1062820858. The cubic root of 52216612 is about 373.7686712297.

Adding to 52216612 its reverse (21661225), we get a palindrome (73877837).

The spelling of 52216612 in words is "fifty-two million, two hundred sixteen thousand, six hundred twelve".