54523 has 4 divisors (see below), whose sum is σ = 62320. Its totient is φ = 46728.

The previous prime is 54521. The next prime is 54539. The reversal of 54523 is 32545.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 54523 - 2¹ = 54521 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is the 234-th Hogben number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 54523.

It is not an unprimeable number, because it can be changed into a prime (54521) by changing a digit.

It is a nontrivial repunit in base 233.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888 + ... + 3901.

It is an arithmetic number, because the mean of its divisors is an integer number (15580).

2⁵⁴⁵²³ is an apocalyptic number.

54523 is a deficient number, since it is larger than the sum of its proper divisors (7797).

54523 is an equidigital number, since it uses as much as digits as its factorization.

54523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796.

The product of its digits is 600, while the sum is 19.

The square root of 54523 is about 233.5016059902. The cubic root of 54523 is about 37.9192653427.

The spelling of 54523 in words is "fifty-four thousand, five hundred twenty-three".