57197 has 4 divisors (see below), whose sum is σ = 65376. Its totient is φ = 49020.

The previous prime is 57193. The next prime is 57203. The reversal of 57197 is 79175.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57197 - 2² = 57193 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4079 + ... + 4092.

It is an arithmetic number, because the mean of its divisors is an integer number (16344).

2⁵⁷¹⁹⁷ is an apocalyptic number.

It is an amenable number.

57197 is a deficient number, since it is larger than the sum of its proper divisors (8179).

57197 is an equidigital number, since it uses as much as digits as its factorization.

57197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178.

The product of its digits is 2205, while the sum is 29.

The square root of 57197 is about 239.1589429647. The cubic root of 57197 is about 38.5292968664.

The spelling of 57197 in words is "fifty-seven thousand, one hundred ninety-seven".