549041865 has 32 divisors (see below), whose sum is σ = 905579136. Its totient is φ = 283875840.

The previous prime is 549041851. The next prime is 549041873. The reversal of 549041865 is 568140945.

549041865 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 549041865 - 2¹¹ = 549039817 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97507 + ... + 102983.

It is an arithmetic number, because the mean of its divisors is an integer number (28299348).

Almost surely, 2^549041865 is an apocalyptic number.

It is an amenable number.

549041865 is a deficient number, since it is larger than the sum of its proper divisors (356537271).

549041865 is a wasteful number, since it uses less digits than its factorization.

549041865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 549041865 is about 23431.6423880188. The cubic root of 549041865 is about 818.8452241285.

The spelling of 549041865 in words is "five hundred forty-nine million, forty-one thousand, eight hundred sixty-five".