54818 has 4 divisors (see below), whose sum is σ = 82230. Its totient is φ = 27408.

The previous prime is 54799. The next prime is 54829. The reversal of 54818 is 81845.

54818 = 62² + 63² + ... + 73².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81845 = 5 ⋅16369.

It can be written as a sum of positive squares in only one way, i.e., 54289 + 529 = 233^2 + 23^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13703 + ... + 13706.

2⁵⁴⁸¹⁸ is an apocalyptic number.

54818 is a deficient number, since it is larger than the sum of its proper divisors (27412).

54818 is a wasteful number, since it uses less digits than its factorization.

54818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27411.

The product of its digits is 1280, while the sum is 26.

The square root of 54818 is about 234.1324411524. The cubic root of 54818 is about 37.9875305347.

It can be divided in two parts, 5 and 4818, that multiplied together give a triangular number (24090 = T₂₁₉).

The spelling of 54818 in words is "fifty-four thousand, eight hundred eighteen".