549544946 has 8 divisors (see below), whose sum is σ = 827855964. Its totient is φ = 273592960.

The previous prime is 549544903. The next prime is 549544991. The reversal of 549544946 is 649445945.

It can be written as a sum of positive squares in 2 ways, for example, as 533101921 + 16443025 = 23089^2 + 4055^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 549544894 and 549544903.

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, 589175 + ... + 590106.

Almost surely, 2^549544946 is an apocalyptic number.

549544946 is a deficient number, since it is larger than the sum of its proper divisors (278311018).

549544946 is a wasteful number, since it uses less digits than its factorization.

549544946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179516.

The product of its digits is 3110400, while the sum is 50.

The square root of 549544946 is about 23442.3750076651. The cubic root of 549544946 is about 819.0952473927.

Subtracting 549544946 from its reverse (649445945), we obtain a palindrome (99900999).

The spelling of 549544946 in words is "five hundred forty-nine million, five hundred forty-four thousand, nine hundred forty-six".