549208047 has 8 divisors (see below), whose sum is σ = 732393856. Its totient is φ = 366080472.

The previous prime is 549208039. The next prime is 549208067. The reversal of 549208047 is 740802945.

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

It is not a de Polignac number, because 549208047 - 2³ = 549208039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549207996 and 549208014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549208027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17598 + ... + 37524.

It is an arithmetic number, because the mean of its divisors is an integer number (91549232).

Almost surely, 2^549208047 is an apocalyptic number.

549208047 is a deficient number, since it is larger than the sum of its proper divisors (183185809).

549208047 is a wasteful number, since it uses less digits than its factorization.

549208047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29117.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 549208047 is about 23435.1882219879. The cubic root of 549208047 is about 818.9278308286.

The spelling of 549208047 in words is "five hundred forty-nine million, two hundred eight thousand, forty-seven".