549218892 has 24 divisors (see below), whose sum is σ = 1283598400. Its totient is φ = 182774736.

The previous prime is 549218851. The next prime is 549218927. The reversal of 549218892 is 298812945.

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 7 ways as a sum of consecutive naturals, for example, 29542 + ... + 44397.

Almost surely, 2^549218892 is an apocalyptic number.

It is an amenable number.

549218892 is an abundant number, since it is smaller than the sum of its proper divisors (734379508).

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

549218892 is a wasteful number, since it uses less digits than its factorization.

549218892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74565 (or 74563 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 549218892 is about 23435.4196036683. The cubic root of 549218892 is about 818.9332211441.

The spelling of 549218892 in words is "five hundred forty-nine million, two hundred eighteen thousand, eight hundred ninety-two".