54559218 has 16 divisors (see below), whose sum is σ = 124706880. Its totient is φ = 15588336.

The previous prime is 54559213. The next prime is 54559229. The reversal of 54559218 is 81295545.

It is not an unprimeable number, because it can be changed into a prime (54559213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649473 + ... + 649556.

It is an arithmetic number, because the mean of its divisors is an integer number (7794180).

Almost surely, 2^54559218 is an apocalyptic number.

54559218 is an abundant number, since it is smaller than the sum of its proper divisors (70147662).

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

54559218 is a wasteful number, since it uses less digits than its factorization.

54559218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299041.

The product of its digits is 72000, while the sum is 39.

The square root of 54559218 is about 7386.4211902653. The cubic root of 54559218 is about 379.2765969597.

The spelling of 54559218 in words is "fifty-four million, five hundred fifty-nine thousand, two hundred eighteen".