549855330 has 16 divisors (see below), whose sum is σ = 1319652864. Its totient is φ = 146628080.

The previous prime is 549855217. The next prime is 549855331. The reversal of 549855330 is 33558945.

It is not an unprimeable number, because it can be changed into a prime (549855331) 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, 9164226 + ... + 9164285.

It is an arithmetic number, because the mean of its divisors is an integer number (82478304).

Almost surely, 2^549855330 is an apocalyptic number.

549855330 is an abundant number, since it is smaller than the sum of its proper divisors (769797534).

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

549855330 is a wasteful number, since it uses less digits than its factorization.

549855330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18328521.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 549855330 is about 23448.9942215013. The cubic root of 549855330 is about 819.2494272052.

The spelling of 549855330 in words is "five hundred forty-nine million, eight hundred fifty-five thousand, three hundred thirty".