57432252 has 24 divisors (see below), whose sum is σ = 136281600. Its totient is φ = 18819376.

The previous prime is 57432247. The next prime is 57432257. The reversal of 57432252 is 25223475.

It is an interprime number because it is at equal distance from previous prime (57432247) and next prime (57432257).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57432257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39852 + ... + 41267.

It is an arithmetic number, because the mean of its divisors is an integer number (5678400).

Almost surely, 2^57432252 is an apocalyptic number.

It is an amenable number.

57432252 is an abundant number, since it is smaller than the sum of its proper divisors (78849348).

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

57432252 is a wasteful number, since it uses less digits than its factorization.

57432252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81185 (or 81183 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 57432252 is about 7578.4069566103. The cubic root of 57432252 is about 385.8204844163.

The spelling of 57432252 in words is "fifty-seven million, four hundred thirty-two thousand, two hundred fifty-two".