57997418 has 4 divisors (see below), whose sum is σ = 86996130. Its totient is φ = 28998708.

The previous prime is 57997403. The next prime is 57997487. The reversal of 57997418 is 81479975.

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

It can be written as a sum of positive squares in only one way, i.e., 29235649 + 28761769 = 5407^2 + 5363^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14499353 + ... + 14499356.

Almost surely, 2^57997418 is an apocalyptic number.

57997418 is a deficient number, since it is larger than the sum of its proper divisors (28998712).

57997418 is a wasteful number, since it uses less digits than its factorization.

57997418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28998711.

The product of its digits is 635040, while the sum is 50.

The square root of 57997418 is about 7615.6035873724. The cubic root of 57997418 is about 387.0819199525.

The spelling of 57997418 in words is "fifty-seven million, nine hundred ninety-seven thousand, four hundred eighteen".