548949945 has 16 divisors (see below), whose sum is σ = 902059200. Its totient is φ = 284860224.

The previous prime is 548949937. The next prime is 548949971. The reversal of 548949945 is 549949845.

548949945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 548949945 - 2³ = 548949937 is a prime.

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, 493995 + ... + 495104.

It is an arithmetic number, because the mean of its divisors is an integer number (56378700).

Almost surely, 2^548949945 is an apocalyptic number.

It is an amenable number.

548949945 is a deficient number, since it is larger than the sum of its proper divisors (353109255).

548949945 is a wasteful number, since it uses less digits than its factorization.

548949945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989144.

The product of its digits is 9331200, while the sum is 57.

The square root of 548949945 is about 23429.6808557010. The cubic root of 548949945 is about 818.7995248484.

The spelling of 548949945 in words is "five hundred forty-eight million, nine hundred forty-nine thousand, nine hundred forty-five".