57473 has 4 divisors (see below), whose sum is σ = 61908. Its totient is φ = 53040.

The previous prime is 57467. The next prime is 57487. The reversal of 57473 is 37475.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27889 + 29584 = 167^2 + 172^2 .

It is not a de Polignac number, because 57473 - 2⁴ = 57457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198 + ... + 2223.

It is an arithmetic number, because the mean of its divisors is an integer number (15477).

2⁵⁷⁴⁷³ is an apocalyptic number.

It is an amenable number.

57473 is a deficient number, since it is larger than the sum of its proper divisors (4435).

57473 is a wasteful number, since it uses less digits than its factorization.

57473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434.

The product of its digits is 2940, while the sum is 26.

The square root of 57473 is about 239.7352706633. The cubic root of 57473 is about 38.5911708980.

The spelling of 57473 in words is "fifty-seven thousand, four hundred seventy-three".