544553216 has 36 divisors (see below), whose sum is σ = 1097793564. Its totient is φ = 269568000.

The previous prime is 544553183. The next prime is 544553227. The reversal of 544553216 is 612355445.

It can be written as a sum of positive squares in 2 ways, for example, as 533794816 + 10758400 = 23104^2 + 3280^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15326 + ... + 36386.

Almost surely, 2^544553216 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 544553216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548896782).

544553216 is an abundant number, since it is smaller than the sum of its proper divisors (553240348).

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

544553216 is a wasteful number, since it uses less digits than its factorization.

544553216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21178 (or 21164 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 544553216 is about 23335.6640359772. The cubic root of 544553216 is about 816.6076468431.

The spelling of 544553216 in words is "five hundred forty-four million, five hundred fifty-three thousand, two hundred sixteen".