549863066 has 8 divisors (see below), whose sum is σ = 824944404. Its totient is φ = 274881600.

The previous prime is 549863053. The next prime is 549863071. The reversal of 549863066 is 660368945.

It can be written as a sum of positive squares in 2 ways, for example, as 496353841 + 53509225 = 22279^2 + 7315^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 549863066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9215 + ... + 34418.

Almost surely, 2^549863066 is an apocalyptic number.

549863066 is a deficient number, since it is larger than the sum of its proper divisors (275081338).

549863066 is a wasteful number, since it uses less digits than its factorization.

549863066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49936.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 549863066 is about 23449.1591746911. The cubic root of 549863066 is about 819.2532692364.

The spelling of 549863066 in words is "five hundred forty-nine million, eight hundred sixty-three thousand, sixty-six".