57904089 has 4 divisors (see below), whose sum is σ = 77205456. Its totient is φ = 38602724.

The previous prime is 57904081. The next prime is 57904109. The reversal of 57904089 is 98040975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57904089 - 2³ = 57904081 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57904089.

It is not an unprimeable number, because it can be changed into a prime (57904081) 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, 9650679 + ... + 9650684.

It is an arithmetic number, because the mean of its divisors is an integer number (19301364).

Almost surely, 2^57904089 is an apocalyptic number.

It is an amenable number.

57904089 is a deficient number, since it is larger than the sum of its proper divisors (19301367).

57904089 is a wasteful number, since it uses less digits than its factorization.

57904089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19301366.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 57904089 is about 7609.4736348843. The cubic root of 57904089 is about 386.8741787290.

The spelling of 57904089 in words is "fifty-seven million, nine hundred four thousand, eighty-nine".