549559406 has 8 divisors (see below), whose sum is σ = 899279064. Its totient is φ = 249799720.

The previous prime is 549559399. The next prime is 549559411. The reversal of 549559406 is 604955945.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12489965 + ... + 12490008.

It is an arithmetic number, because the mean of its divisors is an integer number (112409883).

Almost surely, 2^549559406 is an apocalyptic number.

549559406 is a deficient number, since it is larger than the sum of its proper divisors (349719658).

549559406 is a wasteful number, since it uses less digits than its factorization.

549559406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24979986.

The product of its (nonzero) digits is 972000, while the sum is 47.

The square root of 549559406 is about 23442.6834214857. The cubic root of 549559406 is about 819.1024315266.

It can be divided in two parts, 549 and 559406, that added together give a palindrome (559955).

The spelling of 549559406 in words is "five hundred forty-nine million, five hundred fifty-nine thousand, four hundred six".