549779522 has 16 divisors (see below), whose sum is σ = 856484280. Its totient is φ = 264451968.

The previous prime is 549779509. The next prime is 549779533. The reversal of 549779522 is 225977945.

It can be written as a sum of positive squares in 4 ways, for example, as 546203641 + 3575881 = 23371^2 + 1891^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35153 + ... + 48324.

Almost surely, 2^549779522 is an apocalyptic number.

549779522 is a deficient number, since it is larger than the sum of its proper divisors (306704758).

549779522 is a wasteful number, since it uses less digits than its factorization.

549779522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83605.

The product of its digits is 1587600, while the sum is 50.

The square root of 549779522 is about 23447.3777211866. The cubic root of 549779522 is about 819.2117757773.

The spelling of 549779522 in words is "five hundred forty-nine million, seven hundred seventy-nine thousand, five hundred twenty-two".