549159803 has 8 divisors (see below), whose sum is σ = 552607200. Its totient is φ = 545719680.

The previous prime is 549159791. The next prime is 549159817. The reversal of 549159803 is 308951945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549159803 - 2¹⁸ = 548897659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549159893) 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, 253043 + ... + 255203.

It is an arithmetic number, because the mean of its divisors is an integer number (69075900).

Almost surely, 2^549159803 is an apocalyptic number.

549159803 is a deficient number, since it is larger than the sum of its proper divisors (3447397).

549159803 is a wasteful number, since it uses less digits than its factorization.

549159803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 549159803 is about 23434.1588925227. The cubic root of 549159803 is about 818.9038511417.

The spelling of 549159803 in words is "five hundred forty-nine million, one hundred fifty-nine thousand, eight hundred three".