54018 has 12 divisors (see below), whose sum is σ = 117078. Its totient is φ = 18000.

The previous prime is 54013. The next prime is 54037. The reversal of 54018 is 81045.

It can be written as a sum of positive squares in only one way, i.e., 45369 + 8649 = 213^2 + 93^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 3001 = 54018 / (5 + 4 + 0 + 1 + 8).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1483 + ... + 1518.

2⁵⁴⁰¹⁸ is an apocalyptic number.

54018 is an abundant number, since it is smaller than the sum of its proper divisors (63060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54018 is a wasteful number, since it uses less digits than its factorization.

54018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 54018 is about 232.4177273790. The cubic root of 54018 is about 37.8018307671.

The spelling of 54018 in words is "fifty-four thousand, eighteen".