57304243 has 4 divisors (see below), whose sum is σ = 57830080. Its totient is φ = 56778408.

The previous prime is 57304241. The next prime is 57304249. The reversal of 57304243 is 34240375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57304243 - 2¹ = 57304241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57304241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262755 + ... + 262972.

It is an arithmetic number, because the mean of its divisors is an integer number (14457520).

Almost surely, 2^57304243 is an apocalyptic number.

57304243 is a deficient number, since it is larger than the sum of its proper divisors (525837).

57304243 is a wasteful number, since it uses less digits than its factorization.

57304243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525836.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 57304243 is about 7569.9566048954. The cubic root of 57304243 is about 385.5336233369.

The spelling of 57304243 in words is "fifty-seven million, three hundred four thousand, two hundred forty-three".