52393212 has 18 divisors (see below), whose sum is σ = 132438488. Its totient is φ = 17464392.

The previous prime is 52393207. The next prime is 52393213. The reversal of 52393212 is 21239325.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52393213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 727648 + ... + 727719.

Almost surely, 2^52393212 is an apocalyptic number.

It is an amenable number.

52393212 is an abundant number, since it is smaller than the sum of its proper divisors (80045276).

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

52393212 is a wasteful number, since it uses less digits than its factorization.

52393212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455377 (or 1455372 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 52393212 is about 7238.3155499052. The cubic root of 52393212 is about 374.1895671245.

The spelling of 52393212 in words is "fifty-two million, three hundred ninety-three thousand, two hundred twelve".