57204089 has 2 divisors, whose sum is σ = 57204090. Its totient is φ = 57204088.

The previous prime is 57204073. The next prime is 57204157. The reversal of 57204089 is 98040275.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54878464 + 2325625 = 7408^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 57204089 - 2⁴ = 57204073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57204989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28602044 + 28602045.

It is an arithmetic number, because the mean of its divisors is an integer number (28602045).

Almost surely, 2^57204089 is an apocalyptic number.

It is an amenable number.

57204089 is a deficient number, since it is larger than the sum of its proper divisors (1).

57204089 is an equidigital number, since it uses as much as digits as its factorization.

57204089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 57204089 is about 7563.3384824428. The cubic root of 57204089 is about 385.3088857514.

The spelling of 57204089 in words is "fifty-seven million, two hundred four thousand, eighty-nine".