58171998 has 8 divisors (see below), whose sum is σ = 116344008. Its totient is φ = 19390664.

The previous prime is 58171973. The next prime is 58172017. The reversal of 58171998 is 89917185.

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

58171998 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4847661 + ... + 4847672.

It is an arithmetic number, because the mean of its divisors is an integer number (14543001).

Almost surely, 2^58171998 is an apocalyptic number.

58171998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

58171998 is a wasteful number, since it uses less digits than its factorization.

58171998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695338.

The product of its digits is 181440, while the sum is 48.

The square root of 58171998 is about 7627.0569684512. The cubic root of 58171998 is about 387.4699203845.

The spelling of 58171998 in words is "fifty-eight million, one hundred seventy-one thousand, nine hundred ninety-eight".