549249884 has 6 divisors (see below), whose sum is σ = 961187304. Its totient is φ = 274624940.

The previous prime is 549249871. The next prime is 549249887. The reversal of 549249884 is 488942945.

It is a happy number.

549249884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549249887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68656232 + ... + 68656239.

It is an arithmetic number, because the mean of its divisors is an integer number (160197884).

Almost surely, 2^549249884 is an apocalyptic number.

It is an amenable number.

549249884 is a deficient number, since it is larger than the sum of its proper divisors (411937420).

549249884 is a wasteful number, since it uses less digits than its factorization.

549249884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137312475 (or 137312473 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The square root of 549249884 is about 23436.0808156995. The cubic root of 549249884 is about 818.9486247785.

The spelling of 549249884 in words is "five hundred forty-nine million, two hundred forty-nine thousand, eight hundred eighty-four".