550016556 has 24 divisors (see below), whose sum is σ = 1287429360. Its totient is φ = 182759232.

The previous prime is 550016543. The next prime is 550016561. The reversal of 550016556 is 655610055.

It is a super-2 number, since 2×550016556² = 605036423748202272, 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 7 ways as a sum of consecutive naturals, for example, 68491 + ... + 76098.

It is an arithmetic number, because the mean of its divisors is an integer number (53642890).

Almost surely, 2^550016556 is an apocalyptic number.

It is an amenable number.

550016556 is an abundant number, since it is smaller than the sum of its proper divisors (737412804).

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

550016556 is a wasteful number, since it uses less digits than its factorization.

550016556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144913 (or 144911 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 550016556 is about 23452.4317715669. The cubic root of 550016556 is about 819.3294915381.

The spelling of 550016556 in words is "five hundred fifty million, sixteen thousand, five hundred fifty-six".