57394689 has 8 divisors (see below), whose sum is σ = 83483232. Its totient is φ = 34784640.

The previous prime is 57394681. The next prime is 57394697. The reversal of 57394689 is 98649375.

It is an interprime number because it is at equal distance from previous prime (57394681) and next prime (57394697).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57394689 - 2³ = 57394681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57394681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869584 + ... + 869649.

It is an arithmetic number, because the mean of its divisors is an integer number (10435404).

Almost surely, 2^57394689 is an apocalyptic number.

It is an amenable number.

57394689 is a deficient number, since it is larger than the sum of its proper divisors (26088543).

57394689 is a wasteful number, since it uses less digits than its factorization.

57394689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739247.

The product of its digits is 1632960, while the sum is 51.

The square root of 57394689 is about 7575.9282599560. The cubic root of 57394689 is about 385.7363520396.

The spelling of 57394689 in words is "fifty-seven million, three hundred ninety-four thousand, six hundred eighty-nine".