549509622 has 16 divisors (see below), whose sum is σ = 1112931840. Its totient is φ = 180851112.

The previous prime is 549509591. The next prime is 549509651. The reversal of 549509622 is 226905945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579178 + ... + 580125.

It is an arithmetic number, because the mean of its divisors is an integer number (69558240).

Almost surely, 2^549509622 is an apocalyptic number.

549509622 is an abundant number, since it is smaller than the sum of its proper divisors (563422218).

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

549509622 is a wasteful number, since it uses less digits than its factorization.

549509622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159387.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 549509622 is about 23441.6215736028. The cubic root of 549509622 is about 819.0776969080.

The spelling of 549509622 in words is "five hundred forty-nine million, five hundred nine thousand, six hundred twenty-two".