549806011 has 4 divisors (see below), whose sum is σ = 551945592. Its totient is φ = 547666432.

The previous prime is 549805981. The next prime is 549806017. The reversal of 549806011 is 110608945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 549806011 - 2¹⁵ = 549773243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549806017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069405 + ... + 1069918.

It is an arithmetic number, because the mean of its divisors is an integer number (137986398).

Almost surely, 2^549806011 is an apocalyptic number.

549806011 is a deficient number, since it is larger than the sum of its proper divisors (2139581).

549806011 is a wasteful number, since it uses less digits than its factorization.

549806011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139580.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 549806011 is about 23447.9425749894. The cubic root of 549806011 is about 819.2249324164.

The spelling of 549806011 in words is "five hundred forty-nine million, eight hundred six thousand, eleven".