57282132 has 24 divisors (see below), whose sum is σ = 133835296. Its totient is φ = 19068768.

The previous prime is 57282067. The next prime is 57282133. The reversal of 57282132 is 23128275.

It is a self number, because there is not a number n which added to its sum of digits gives 57282132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57282133) 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, 7803 + ... + 13245.

Almost surely, 2^57282132 is an apocalyptic number.

It is an amenable number.

57282132 is an abundant number, since it is smaller than the sum of its proper divisors (76553164).

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

57282132 is a wasteful number, since it uses less digits than its factorization.

57282132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327 (or 6325 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 57282132 is about 7568.4960196858. The cubic root of 57282132 is about 385.4840305544.

The spelling of 57282132 in words is "fifty-seven million, two hundred eighty-two thousand, one hundred thirty-two".