549550506 has 8 divisors (see below), whose sum is σ = 1099101024. Its totient is φ = 183183500.

The previous prime is 549550447. The next prime is 549550541. The reversal of 549550506 is 605055945.

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

549550506 is an admirable 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, 45795870 + ... + 45795881.

It is an arithmetic number, because the mean of its divisors is an integer number (137387628).

Almost surely, 2^549550506 is an apocalyptic number.

549550506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549550506 is a wasteful number, since it uses less digits than its factorization.

549550506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91591756.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 549550506 is about 23442.4935960320. The cubic root of 549550506 is about 819.0980097716.

The spelling of 549550506 in words is "five hundred forty-nine million, five hundred fifty thousand, five hundred six".