57197894 has 32 divisors (see below), whose sum is σ = 98594496. Its totient is φ = 24652800.

The previous prime is 57197891. The next prime is 57197929. The reversal of 57197894 is 49879175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57197891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66314 + ... + 67170.

It is an arithmetic number, because the mean of its divisors is an integer number (3081078).

Almost surely, 2^57197894 is an apocalyptic number.

57197894 is a deficient number, since it is larger than the sum of its proper divisors (41396602).

57197894 is a wasteful number, since it uses less digits than its factorization.

57197894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

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

The square root of 57197894 is about 7562.9289299847. The cubic root of 57197894 is about 385.2949760539.

The spelling of 57197894 in words is "fifty-seven million, one hundred ninety-seven thousand, eight hundred ninety-four".