549611312 has 80 divisors (see below), whose sum is σ = 1141801920. Its totient is φ = 255737856.

The previous prime is 549611303. The next prime is 549611341. The reversal of 549611312 is 213116945.

It is a super-2 number, since 2×549611312² = 604145188556722688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176858 + ... + 3177030.

It is an arithmetic number, because the mean of its divisors is an integer number (14272524).

Almost surely, 2^549611312 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 549611312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570900960).

549611312 is an abundant number, since it is smaller than the sum of its proper divisors (592190608).

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

549611312 is a wasteful number, since it uses less digits than its factorization.

549611312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 384 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 549611312 is about 23443.7904785041. The cubic root of 549611312 is about 819.1282188463.

The spelling of 549611312 in words is "five hundred forty-nine million, six hundred eleven thousand, three hundred twelve".