57197198 has 8 divisors (see below), whose sum is σ = 85841208. Its totient is φ = 28583464.

The previous prime is 57197143. The next prime is 57197207. The reversal of 57197198 is 89179175.

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

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, 2036 + ... + 10887.

It is an arithmetic number, because the mean of its divisors is an integer number (10730151).

Almost surely, 2^57197198 is an apocalyptic number.

57197198 is a deficient number, since it is larger than the sum of its proper divisors (28644010).

57197198 is a wasteful number, since it uses less digits than its factorization.

57197198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15138.

The product of its digits is 158760, while the sum is 47.

The square root of 57197198 is about 7562.8829159256. The cubic root of 57197198 is about 385.2934132552.

The spelling of 57197198 in words is "fifty-seven million, one hundred ninety-seven thousand, one hundred ninety-eight".