549549946 has 16 divisors (see below), whose sum is σ = 912687840. Its totient is φ = 246066480.

The previous prime is 549549941. The next prime is 549549947. The reversal of 549549946 is 649945945.

549549946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (549549941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184941 + ... + 187888.

It is an arithmetic number, because the mean of its divisors is an integer number (57042990).

Almost surely, 2^549549946 is an apocalyptic number.

549549946 is a deficient number, since it is larger than the sum of its proper divisors (363137894).

549549946 is a wasteful number, since it uses less digits than its factorization.

549549946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372909.

The product of its digits is 6998400, while the sum is 55.

The square root of 549549946 is about 23442.4816519071. The cubic root of 549549946 is about 819.0977315473.

The spelling of 549549946 in words is "five hundred forty-nine million, five hundred forty-nine thousand, nine hundred forty-six".