54518 has 4 divisors (see below), whose sum is σ = 81780. Its totient is φ = 27258.

The previous prime is 54517. The next prime is 54521. The reversal of 54518 is 81545.

54518 is nontrivially palindromic in base 12.

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

It is a Curzon number.

It is a plaindrome in base 15.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 54493 and 54502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13628 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (20445).

2⁵⁴⁵¹⁸ is an apocalyptic number.

54518 is a deficient number, since it is larger than the sum of its proper divisors (27262).

54518 is a wasteful number, since it uses less digits than its factorization.

54518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27261.

The product of its digits is 800, while the sum is 23.

The square root of 54518 is about 233.4908991802. The cubic root of 54518 is about 37.9181061859.

It can be divided in two parts, 54 and 518, that multiplied together give a palindrome (27972).

The spelling of 54518 in words is "fifty-four thousand, five hundred eighteen".