57237252 has 12 divisors (see below), whose sum is σ = 133553616. Its totient is φ = 19079080.

The previous prime is 57237251. The next prime is 57237263. The reversal of 57237252 is 25273275.

57237252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×57237252² = 6552206033023008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57237251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384874 + ... + 2384897.

It is an arithmetic number, because the mean of its divisors is an integer number (11129468).

Almost surely, 2^57237252 is an apocalyptic number.

It is an amenable number.

57237252 is an abundant number, since it is smaller than the sum of its proper divisors (76316364).

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

57237252 is a wasteful number, since it uses less digits than its factorization.

57237252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769778 (or 4769776 counting only the distinct ones).

The product of its digits is 29400, while the sum is 33.

The square root of 57237252 is about 7565.5305167582. The cubic root of 57237252 is about 385.3833299058.

The spelling of 57237252 in words is "fifty-seven million, two hundred thirty-seven thousand, two hundred fifty-two".