549913968 has 80 divisors (see below), whose sum is σ = 1582240000. Its totient is φ = 182865600.

The previous prime is 549913939. The next prime is 549913999. The reversal of 549913968 is 869319945.

549913968 is a `hidden beast` number, since 549 + 9 + 1 + 3 + 96 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 214293 + ... + 216843.

It is an arithmetic number, because the mean of its divisors is an integer number (19778000).

Almost surely, 2^549913968 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 549913968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791120000).

549913968 is an abundant number, since it is smaller than the sum of its proper divisors (1032326032).

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

549913968 is a wasteful number, since it uses less digits than its factorization.

549913968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067 (or 3055 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 549913968 is about 23450.2445189810. The cubic root of 549913968 is about 819.2785484654.

The spelling of 549913968 in words is "five hundred forty-nine million, nine hundred thirteen thousand, nine hundred sixty-eight".