550496556 has 18 divisors (see below), whose sum is σ = 1391533052. Its totient is φ = 183498840.

The previous prime is 550496539. The next prime is 550496579. The reversal of 550496556 is 655694055.

550496556 is a `hidden beast` number, since 5 + 5 + 0 + 4 + 96 + 556 = 666.

550496556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×550496556² = 606092916335722272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7645750 + ... + 7645821.

Almost surely, 2^550496556 is an apocalyptic number.

It is an amenable number.

550496556 is an abundant number, since it is smaller than the sum of its proper divisors (841036496).

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

550496556 is a wasteful number, since it uses less digits than its factorization.

550496556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15291581 (or 15291576 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 550496556 is about 23462.6630202115. The cubic root of 550496556 is about 819.5677654606.

The spelling of 550496556 in words is "five hundred fifty million, four hundred ninety-six thousand, five hundred fifty-six".