57438659 has 4 divisors (see below), whose sum is σ = 59936016. Its totient is φ = 54941304.

The previous prime is 57438649. The next prime is 57438673. The reversal of 57438659 is 95683475.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57438659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57438649) 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, 1248644 + ... + 1248689.

It is an arithmetic number, because the mean of its divisors is an integer number (14984004).

Almost surely, 2^57438659 is an apocalyptic number.

57438659 is a deficient number, since it is larger than the sum of its proper divisors (2497357).

57438659 is a wasteful number, since it uses less digits than its factorization.

57438659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497356.

The product of its digits is 907200, while the sum is 47.

The square root of 57438659 is about 7578.8296589909. The cubic root of 57438659 is about 385.8348309425.

The spelling of 57438659 in words is "fifty-seven million, four hundred thirty-eight thousand, six hundred fifty-nine".