549859904 has 28 divisors (see below), whose sum is σ = 1190323248. Its totient is φ = 249936000.

The previous prime is 549859903. The next prime is 549859969. The reversal of 549859904 is 409958945.

It is not an unprimeable number, because it can be changed into a prime (549859903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389822 + ... + 391229.

Almost surely, 2^549859904 is an apocalyptic number.

It is an amenable number.

549859904 is an abundant number, since it is smaller than the sum of its proper divisors (640463344).

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

549859904 is a wasteful number, since it uses less digits than its factorization.

549859904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781074 (or 781064 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 549859904 is about 23449.0917521340. The cubic root of 549859904 is about 819.2516988552.

The spelling of 549859904 in words is "five hundred forty-nine million, eight hundred fifty-nine thousand, nine hundred four".