57271166 has 8 divisors (see below), whose sum is σ = 86138184. Its totient is φ = 28558440.

The previous prime is 57271133. The next prime is 57271169. The reversal of 57271166 is 66117275.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57271169) 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 3 ways as a sum of consecutive naturals, for example, 37640 + ... + 39131.

It is an arithmetic number, because the mean of its divisors is an integer number (10767273).

Almost surely, 2^57271166 is an apocalyptic number.

57271166 is a deficient number, since it is larger than the sum of its proper divisors (28867018).

57271166 is a wasteful number, since it uses less digits than its factorization.

57271166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77146.

The product of its digits is 17640, while the sum is 35.

The square root of 57271166 is about 7567.7715346065. The cubic root of 57271166 is about 385.4594301684.

The spelling of 57271166 in words is "fifty-seven million, two hundred seventy-one thousand, one hundred sixty-six".