54388218 has 16 divisors (see below), whose sum is σ = 108860256. Its totient is φ = 18115440.

The previous prime is 54388211. The next prime is 54388231. The reversal of 54388218 is 81288345.

It is not an unprimeable number, because it can be changed into a prime (54388211) 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, 7708 + ... + 12968.

It is an arithmetic number, because the mean of its divisors is an integer number (6803766).

Almost surely, 2^54388218 is an apocalyptic number.

54388218 is an abundant number, since it is smaller than the sum of its proper divisors (54472038).

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

54388218 is a wasteful number, since it uses less digits than its factorization.

54388218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989.

The product of its digits is 61440, while the sum is 39.

The square root of 54388218 is about 7374.8368117539. The cubic root of 54388218 is about 378.8799382072.

The spelling of 54388218 in words is "fifty-four million, three hundred eighty-eight thousand, two hundred eighteen".