54216 has 32 divisors (see below), whose sum is σ = 151200. Its totient is φ = 18000.

The previous prime is 54193. The next prime is 54217. The reversal of 54216 is 61245.

It is a happy number.

54216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (54217) by changing a digit.

54216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91 + ... + 341.

It is an arithmetic number, because the mean of its divisors is an integer number (4725).

2⁵⁴²¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75600).

54216 is an abundant number, since it is smaller than the sum of its proper divisors (96984).

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

54216 is a wasteful number, since it uses less digits than its factorization.

54216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 256 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 54216 is about 232.8432949432. The cubic root of 54216 is about 37.8479612920.

It can be divided in two parts, 54 and 216, that multiplied together give a square (11664 = 108²).

The spelling of 54216 in words is "fifty-four thousand, two hundred sixteen".