57489518 has 4 divisors (see below), whose sum is σ = 86234280. Its totient is φ = 28744758.

The previous prime is 57489517. The next prime is 57489533. The reversal of 57489518 is 81598475.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57489517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14372378 + ... + 14372381.

It is an arithmetic number, because the mean of its divisors is an integer number (21558570).

Almost surely, 2^57489518 is an apocalyptic number.

57489518 is a deficient number, since it is larger than the sum of its proper divisors (28744762).

57489518 is a wasteful number, since it uses less digits than its factorization.

57489518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28744761.

The product of its digits is 403200, while the sum is 47.

The square root of 57489518 is about 7582.1842499375. The cubic root of 57489518 is about 385.9486763623.

The spelling of 57489518 in words is "fifty-seven million, four hundred eighty-nine thousand, five hundred eighteen".