549289416 has 64 divisors (see below), whose sum is σ = 1484320320. Its totient is φ = 168387840.

The previous prime is 549289361. The next prime is 549289417. The reversal of 549289416 is 614982945.

It is a super-3 number, since 3×549289416³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (549289417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85186 + ... + 91406.

It is an arithmetic number, because the mean of its divisors is an integer number (23192505).

Almost surely, 2^549289416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549289416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742160160).

549289416 is an abundant number, since it is smaller than the sum of its proper divisors (935030904).

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

549289416 is a wasteful number, since it uses less digits than its factorization.

549289416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6526 (or 6522 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 549289416 is about 23436.9242009270. The cubic root of 549289416 is about 818.9682721201.

The spelling of 549289416 in words is "five hundred forty-nine million, two hundred eighty-nine thousand, four hundred sixteen".