549863147 has 8 divisors (see below), whose sum is σ = 589579200. Its totient is φ = 510966144.

The previous prime is 549863143. The next prime is 549863189. The reversal of 549863147 is 741368945.

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

It is not a de Polignac number, because 549863147 - 2² = 549863143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549863143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203372 + ... + 206057.

It is an arithmetic number, because the mean of its divisors is an integer number (73697400).

Almost surely, 2^549863147 is an apocalyptic number.

549863147 is a deficient number, since it is larger than the sum of its proper divisors (39716053).

549863147 is a wasteful number, since it uses less digits than its factorization.

549863147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409525.

The product of its digits is 725760, while the sum is 47.

The square root of 549863147 is about 23449.1609018319. The cubic root of 549863147 is about 819.2533094643.

The spelling of 549863147 in words is "five hundred forty-nine million, eight hundred sixty-three thousand, one hundred forty-seven".