57242304 has 84 divisors (see below), whose sum is σ = 187527184. Its totient is φ = 16353792.

The previous prime is 57242303. The next prime is 57242309. The reversal of 57242304 is 40324275.

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (57242303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3067 + ... + 11130.

Almost surely, 2^57242304 is an apocalyptic number.

It is an amenable number.

57242304 is an abundant number, since it is smaller than the sum of its proper divisors (130284880).

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

57242304 is a wasteful number, since it uses less digits than its factorization.

57242304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14222 (or 14209 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 57242304 is about 7565.8643921233. The cubic root of 57242304 is about 385.3946680888.

Adding to 57242304 its reverse (40324275), we get a palindrome (97566579).

The spelling of 57242304 in words is "fifty-seven million, two hundred forty-two thousand, three hundred four".