556000550 has 72 divisors (see below), whose sum is σ = 1209476160. Its totient is φ = 189604800.

The previous prime is 556000541. The next prime is 556000561. The reversal of 556000550 is 55000655.

It is a super-2 number, since 2×556000550² = 618273223200605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 560555 + ... + 561545.

It is an arithmetic number, because the mean of its divisors is an integer number (16798280).

Almost surely, 2^556000550 is an apocalyptic number.

556000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556000550 is an abundant number, since it is smaller than the sum of its proper divisors (653475610).

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

556000550 is a wasteful number, since it uses less digits than its factorization.

556000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 556000550 is about 23579.6639076981. The cubic root of 556000550 is about 822.2901230008.

The spelling of 556000550 in words is "five hundred fifty-six million, five hundred fifty", and thus it is an aban number.