549054681 has 16 divisors (see below), whose sum is σ = 848118144. Its totient is φ = 309446784.

The previous prime is 549054673. The next prime is 549054697. The reversal of 549054681 is 186450945.

549054681 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 549054681 - 2³ = 549054673 is a prime.

It is a super-2 number, since 2×549054681² = 602922085456023522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (549054601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177546 + ... + 180611.

It is an arithmetic number, because the mean of its divisors is an integer number (53007384).

Almost surely, 2^549054681 is an apocalyptic number.

It is an amenable number.

549054681 is a deficient number, since it is larger than the sum of its proper divisors (299063463).

549054681 is a wasteful number, since it uses less digits than its factorization.

549054681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358240.

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

The square root of 549054681 is about 23431.9158627714. The cubic root of 549054681 is about 818.8515953723.

The spelling of 549054681 in words is "five hundred forty-nine million, fifty-four thousand, six hundred eighty-one".