53473 has 4 divisors (see below), whose sum is σ = 61120. Its totient is φ = 45828.

The previous prime is 53453. The next prime is 53479. The reversal of 53473 is 37435.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37435 = 5 ⋅7487.

It is a cyclic number.

It is not a de Polignac number, because 53473 - 2⁵ = 53441 is a prime.

It is a Duffinian number.

53473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (53479) 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, 3813 + ... + 3826.

It is an arithmetic number, because the mean of its divisors is an integer number (15280).

2⁵³⁴⁷³ is an apocalyptic number.

It is an amenable number.

53473 is a deficient number, since it is larger than the sum of its proper divisors (7647).

53473 is an equidigital number, since it uses as much as digits as its factorization.

53473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7646.

The product of its digits is 1260, while the sum is 22.

The square root of 53473 is about 231.2422971690. The cubic root of 53473 is about 37.6742703561.

The spelling of 53473 in words is "fifty-three thousand, four hundred seventy-three".