549552648 has 16 divisors (see below), whose sum is σ = 1373881680. Its totient is φ = 183184208.

The previous prime is 549552631. The next prime is 549552667. The reversal of 549552648 is 846255945.

It is a super-2 number, since 2×549552648² = 604016225847623808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 549552597 and 549552606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11448990 + ... + 11449037.

It is an arithmetic number, because the mean of its divisors is an integer number (85867605).

Almost surely, 2^549552648 is an apocalyptic number.

It is an amenable number.

549552648 is an abundant number, since it is smaller than the sum of its proper divisors (824329032).

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

549552648 is a wasteful number, since it uses less digits than its factorization.

549552648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22898036 (or 22898032 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 48.

The square root of 549552648 is about 23442.5392822535. The cubic root of 549552648 is about 819.0990739781.

The spelling of 549552648 in words is "five hundred forty-nine million, five hundred fifty-two thousand, six hundred forty-eight".