57998457 has 16 divisors (see below), whose sum is σ = 93735360. Its totient is φ = 35150400.

The previous prime is 57998453. The next prime is 57998461. The reversal of 57998457 is 75489975.

It is an interprime number because it is at equal distance from previous prime (57998453) and next prime (57998461).

It is not a de Polignac number, because 57998457 - 2² = 57998453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57998453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97344 + ... + 97937.

It is an arithmetic number, because the mean of its divisors is an integer number (5858460).

Almost surely, 2^57998457 is an apocalyptic number.

It is an amenable number.

57998457 is a deficient number, since it is larger than the sum of its proper divisors (35736903).

57998457 is a wasteful number, since it uses less digits than its factorization.

57998457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195301 (or 195295 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 57998457 is about 7615.6718022772. The cubic root of 57998457 is about 387.0842314101.

The spelling of 57998457 in words is "fifty-seven million, nine hundred ninety-eight thousand, four hundred fifty-seven".