54018216 has 96 divisors (see below), whose sum is σ = 176030400. Its totient is φ = 14618880.

The previous prime is 54018203. The next prime is 54018221. The reversal of 54018216 is 61281045.

It is a self number, because there is not a number n which added to its sum of digits gives 54018216.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6756 + ... + 12396.

It is an arithmetic number, because the mean of its divisors is an integer number (1833650).

Almost surely, 2^54018216 is an apocalyptic number.

54018216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54018216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88015200).

54018216 is an abundant number, since it is smaller than the sum of its proper divisors (122012184).

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

54018216 is a wasteful number, since it uses less digits than its factorization.

54018216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679 (or 5672 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 54018216 is about 7349.7085656507. The cubic root of 54018216 is about 378.0188115271.

The spelling of 54018216 in words is "fifty-four million, eighteen thousand, two hundred sixteen".