549724896 has 144 divisors (see below), whose sum is σ = 1793885184. Its totient is φ = 156425472.

The previous prime is 549724871. The next prime is 549724919. The reversal of 549724896 is 698427945.

549724896 is a `hidden beast` number, since 549 + 7 + 2 + 4 + 8 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×549724896² = 604394922564421632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739501 + ... + 740243.

It is an arithmetic number, because the mean of its divisors is an integer number (12457536).

Almost surely, 2^549724896 is an apocalyptic number.

549724896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549724896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896942592).

549724896 is an abundant number, since it is smaller than the sum of its proper divisors (1244160288).

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

549724896 is a wasteful number, since it uses less digits than its factorization.

549724896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1122 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 549724896 is about 23446.2128285145. The cubic root of 549724896 is about 819.1846426310.

The spelling of 549724896 in words is "five hundred forty-nine million, seven hundred twenty-four thousand, eight hundred ninety-six".