549580806 has 12 divisors (see below), whose sum is σ = 1190758452. Its totient is φ = 183193596.

The previous prime is 549580799. The next prime is 549580819. The reversal of 549580806 is 608085945.

549580806 is a `hidden beast` number, since 5 + 495 + 80 + 80 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15266116 + ... + 15266151.

It is an arithmetic number, because the mean of its divisors is an integer number (99229871).

Almost surely, 2^549580806 is an apocalyptic number.

549580806 is an abundant number, since it is smaller than the sum of its proper divisors (641177646).

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

549580806 is a wasteful number, since it uses less digits than its factorization.

549580806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30532275 (or 30532272 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 549580806 is about 23443.1398494314. The cubic root of 549580806 is about 819.1130634160.

The spelling of 549580806 in words is "five hundred forty-nine million, five hundred eighty thousand, eight hundred six".