57371 has 4 divisors (see below), whose sum is σ = 58032. Its totient is φ = 56712.

The previous prime is 57367. The next prime is 57373. The reversal of 57371 is 17375.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57371 - 2² = 57367 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 381.

It is an arithmetic number, because the mean of its divisors is an integer number (14508).

2⁵⁷³⁷¹ is an apocalyptic number.

57371 is a deficient number, since it is larger than the sum of its proper divisors (661).

57371 is a wasteful number, since it uses less digits than its factorization.

57371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its digits is 735, while the sum is 23.

The square root of 57371 is about 239.5224415373. The cubic root of 57371 is about 38.5683275317.

The spelling of 57371 in words is "fifty-seven thousand, three hundred seventy-one".