556066550 has 48 divisors (see below), whose sum is σ = 1129198560. Its totient is φ = 202487040.

The previous prime is 556066517. The next prime is 556066613. The reversal of 556066550 is 55660655.

It is a happy number.

556066550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 41591 + ... + 53309.

It is an arithmetic number, because the mean of its divisors is an integer number (23524970).

Almost surely, 2^556066550 is an apocalyptic number.

556066550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556066550 is an abundant number, since it is smaller than the sum of its proper divisors (573132010).

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

556066550 is a wasteful number, since it uses less digits than its factorization.

556066550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817 (or 11812 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 556066550 is about 23581.0633772101. The cubic root of 556066550 is about 822.3226583408.

The spelling of 556066550 in words is "five hundred fifty-six million, sixty-six thousand, five hundred fifty".