549944929 has 4 divisors (see below), whose sum is σ = 567685120. Its totient is φ = 532204740.

The previous prime is 549944909. The next prime is 549944933. The reversal of 549944929 is 929449945.

549944929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 549944929 - 2¹⁷ = 549813857 is a prime.

It is a super-3 number, since 3×549944929³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 549944929.

It is not an unprimeable number, because it can be changed into a prime (549944909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8870049 + ... + 8870110.

It is an arithmetic number, because the mean of its divisors is an integer number (141921280).

Almost surely, 2^549944929 is an apocalyptic number.

It is an amenable number.

549944929 is a deficient number, since it is larger than the sum of its proper divisors (17740191).

549944929 is a wasteful number, since it uses less digits than its factorization.

549944929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17740190.

The product of its digits is 4199040, while the sum is 55.

The square root of 549944929 is about 23450.9046520598. The cubic root of 549944929 is about 819.2939237232.

The spelling of 549944929 in words is "five hundred forty-nine million, nine hundred forty-four thousand, nine hundred twenty-nine".