57273252 has 12 divisors (see below), whose sum is σ = 133637616. Its totient is φ = 19091080.

The previous prime is 57273241. The next prime is 57273263. The reversal of 57273252 is 25237275.

It is an interprime number because it is at equal distance from previous prime (57273241) and next prime (57273263).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386374 + ... + 2386397.

It is an arithmetic number, because the mean of its divisors is an integer number (11136468).

Almost surely, 2^57273252 is an apocalyptic number.

It is an amenable number.

57273252 is an abundant number, since it is smaller than the sum of its proper divisors (76364364).

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

57273252 is a wasteful number, since it uses less digits than its factorization.

57273252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772778 (or 4772776 counting only the distinct ones).

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

The square root of 57273252 is about 7567.9093546369. The cubic root of 57273252 is about 385.4641100022.

The spelling of 57273252 in words is "fifty-seven million, two hundred seventy-three thousand, two hundred fifty-two".