57704489 has 4 divisors (see below), whose sum is σ = 57724356. Its totient is φ = 57684624.

The previous prime is 57704483. The next prime is 57704509. The reversal of 57704489 is 98440775.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24157225 + 33547264 = 4915^2 + 5792^2 .

It is a cyclic number.

It is not a de Polignac number, because 57704489 - 2⁴ = 57704473 is a prime.

It is a super-2 number, since 2×57704489² = 6659616101502242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57704483) 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, 4634 + ... + 11699.

It is an arithmetic number, because the mean of its divisors is an integer number (14431089).

Almost surely, 2^57704489 is an apocalyptic number.

It is an amenable number.

57704489 is a deficient number, since it is larger than the sum of its proper divisors (19867).

57704489 is a wasteful number, since it uses less digits than its factorization.

57704489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19866.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 57704489 is about 7596.3470826444. The cubic root of 57704489 is about 386.4291382858.

The spelling of 57704489 in words is "fifty-seven million, seven hundred four thousand, four hundred eighty-nine".