54439218 has 24 divisors (see below), whose sum is σ = 124160400. Its totient is φ = 17191224.

The previous prime is 54439201. The next prime is 54439243. The reversal of 54439218 is 81293445.

54439218 is a `hidden beast` number, since 5 + 4 + 439 + 218 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79248 + ... + 79931.

It is an arithmetic number, because the mean of its divisors is an integer number (5173350).

Almost surely, 2^54439218 is an apocalyptic number.

54439218 is an abundant number, since it is smaller than the sum of its proper divisors (69721182).

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

54439218 is a wasteful number, since it uses less digits than its factorization.

54439218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159206 (or 159203 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 54439218 is about 7378.2937051869. The cubic root of 54439218 is about 378.9983268399.

The spelling of 54439218 in words is "fifty-four million, four hundred thirty-nine thousand, two hundred eighteen".