57693 has 4 divisors (see below), whose sum is σ = 76928. Its totient is φ = 38460.

The previous prime is 57689. The next prime is 57697. The reversal of 57693 is 39675.

57693 is nontrivially palindromic in base 5.

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 an interprime number because it is at equal distance from previous prime (57689) and next prime (57697).

It is not a de Polignac number, because 57693 - 2² = 57689 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57697) 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, 9613 + ... + 9618.

It is an arithmetic number, because the mean of its divisors is an integer number (19232).

2⁵⁷⁶⁹³ is an apocalyptic number.

It is an amenable number.

57693 is a deficient number, since it is larger than the sum of its proper divisors (19235).

57693 is a wasteful number, since it uses less digits than its factorization.

57693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19234.

The product of its digits is 5670, while the sum is 30.

The square root of 57693 is about 240.1936718567. The cubic root of 57693 is about 38.6403490489.

The spelling of 57693 in words is "fifty-seven thousand, six hundred ninety-three".