54459618 has 16 divisors (see below), whose sum is σ = 109324416. Its totient is φ = 18085680.

The previous prime is 54459599. The next prime is 54459637. The reversal of 54459618 is 81695445.

It is an interprime number because it is at equal distance from previous prime (54459599) and next prime (54459637).

It is a self number, because there is not a number n which added to its sum of digits gives 54459618.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15121 + ... + 18372.

It is an arithmetic number, because the mean of its divisors is an integer number (6832776).

Almost surely, 2^54459618 is an apocalyptic number.

54459618 is an abundant number, since it is smaller than the sum of its proper divisors (54864798).

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

54459618 is a wasteful number, since it uses less digits than its factorization.

54459618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33769.

The product of its digits is 172800, while the sum is 42.

The square root of 54459618 is about 7379.6760091484. The cubic root of 54459618 is about 379.0456615898.

The spelling of 54459618 in words is "fifty-four million, four hundred fifty-nine thousand, six hundred eighteen".