5559443844 has 48 divisors (see below), whose sum is σ = 13049164800. Its totient is φ = 1842164896.

The previous prime is 5559443839. The next prime is 5559443959. The reversal of 5559443844 is 4483449555.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1493017 + ... + 1496735.

It is an arithmetic number, because the mean of its divisors is an integer number (271857600).

Almost surely, 2^5559443844 is an apocalyptic number.

It is an amenable number.

5559443844 is an abundant number, since it is smaller than the sum of its proper divisors (7489720956).

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

5559443844 is a wasteful number, since it uses less digits than its factorization.

5559443844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432 (or 4430 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 51.

The square root of 5559443844 is about 74561.6781195273. The cubic root of 5559443844 is about 1771.5107112487.

The spelling of 5559443844 in words is "five billion, five hundred fifty-nine million, four hundred forty-three thousand, eight hundred forty-four".