549394512 has 40 divisors (see below), whose sum is σ = 1420159104. Its totient is φ = 183016704.

The previous prime is 549394511. The next prime is 549394577. The reversal of 549394512 is 215493945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549394511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112473 + ... + 117255.

Almost surely, 2^549394512 is an apocalyptic number.

It is an amenable number.

549394512 is an abundant number, since it is smaller than the sum of its proper divisors (870764592).

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

549394512 is a wasteful number, since it uses less digits than its factorization.

549394512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187 (or 7181 counting only the distinct ones).

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

The square root of 549394512 is about 23439.1661967742. The cubic root of 549394512 is about 819.0205000825.

The spelling of 549394512 in words is "five hundred forty-nine million, three hundred ninety-four thousand, five hundred twelve".