57497 has 4 divisors (see below), whose sum is σ = 62736. Its totient is φ = 52260.

The previous prime is 57493. The next prime is 57503. The reversal of 57497 is 79475.

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 57497 - 2² = 57493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57493) 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, 2603 + ... + 2624.

It is an arithmetic number, because the mean of its divisors is an integer number (15684).

2⁵⁷⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

57497 is a deficient number, since it is larger than the sum of its proper divisors (5239).

57497 is a wasteful number, since it uses less digits than its factorization.

57497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238.

The product of its digits is 8820, while the sum is 32.

The square root of 57497 is about 239.7853206516. The cubic root of 57497 is about 38.5965418793.

The spelling of 57497 in words is "fifty-seven thousand, four hundred ninety-seven".