5445216 has 144 divisors (see below), whose sum is σ = 18424224. Its totient is φ = 1492992.

The previous prime is 5445199. The next prime is 5445217. The reversal of 5445216 is 6125445.

5445216 is a `hidden beast` number, since 5 + 445 + 216 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 5445216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74556 + ... + 74628.

It is an arithmetic number, because the mean of its divisors is an integer number (127946).

Almost surely, 2^5445216 is an apocalyptic number.

5445216 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 5445216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9212112).

5445216 is an abundant number, since it is smaller than the sum of its proper divisors (12979008).

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

5445216 is a wasteful number, since it uses less digits than its factorization.

5445216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 122 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 5445216 is about 2333.4986608096. The cubic root of 5445216 is about 175.9293793805.

The spelling of 5445216 in words is "five million, four hundred forty-five thousand, two hundred sixteen".