549533426 has 8 divisors (see below), whose sum is σ = 887707884. Its totient is φ = 253630800.

The previous prime is 549533423. The next prime is 549533459. The reversal of 549533426 is 624335945.

It can be written as a sum of positive squares in 2 ways, for example, as 545269201 + 4264225 = 23351^2 + 2065^2 .

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

It is not an unprimeable number, because it can be changed into a prime (549533423) by changing a digit.

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, 10567925 + ... + 10567976.

Almost surely, 2^549533426 is an apocalyptic number.

549533426 is a deficient number, since it is larger than the sum of its proper divisors (338174458).

549533426 is a wasteful number, since it uses less digits than its factorization.

549533426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21135916.

The product of its digits is 388800, while the sum is 41.

The square root of 549533426 is about 23442.1292974849. The cubic root of 549533426 is about 819.0895238431.

The spelling of 549533426 in words is "five hundred forty-nine million, five hundred thirty-three thousand, four hundred twenty-six".