549889344 has 112 divisors (see below), whose sum is σ = 1711756800. Its totient is φ = 172505088.

The previous prime is 549889343. The next prime is 549889369. The reversal of 549889344 is 443988945.

549889344 is a `hidden beast` number, since 549 + 8 + 8 + 93 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549889343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20017 + ... + 38735.

Almost surely, 2^549889344 is an apocalyptic number.

549889344 is a gapful number since it is divisible by the number (54) 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 549889344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855878400).

549889344 is an abundant number, since it is smaller than the sum of its proper divisors (1161867456).

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

549889344 is a wasteful number, since it uses less digits than its factorization.

549889344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18757 (or 18741 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 549889344 is about 23449.7194865951. The cubic root of 549889344 is about 819.2663197549.

The spelling of 549889344 in words is "five hundred forty-nine million, eight hundred eighty-nine thousand, three hundred forty-four".