57280452 has 24 divisors (see below), whose sum is σ = 138264000. Its totient is φ = 18434976.

The previous prime is 57280441. The next prime is 57280469. The reversal of 57280452 is 25408275.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81952 + ... + 82647.

It is an arithmetic number, because the mean of its divisors is an integer number (5761000).

Almost surely, 2^57280452 is an apocalyptic number.

It is an amenable number.

57280452 is an abundant number, since it is smaller than the sum of its proper divisors (80983548).

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

57280452 is a wasteful number, since it uses less digits than its factorization.

57280452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164635 (or 164633 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 57280452 is about 7568.3850324888. The cubic root of 57280452 is about 385.4802619592.

The spelling of 57280452 in words is "fifty-seven million, two hundred eighty thousand, four hundred fifty-two".