556220003 has 8 divisors (see below), whose sum is σ = 585789120. Its totient is φ = 526680360.

The previous prime is 556219987. The next prime is 556220009. The reversal of 556220003 is 300022655.

It is a happy number.

556220003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556220003 - 2⁴ = 556219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556220009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38876 + ... + 51222.

It is an arithmetic number, because the mean of its divisors is an integer number (73223640).

Almost surely, 2^556220003 is an apocalyptic number.

556220003 is a deficient number, since it is larger than the sum of its proper divisors (29569117).

556220003 is a wasteful number, since it uses less digits than its factorization.

556220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14737.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 556220003 is about 23584.3168864396. The cubic root of 556220003 is about 822.3982945352.

Adding to 556220003 its reverse (300022655), we get a palindrome (856242658).

The spelling of 556220003 in words is "five hundred fifty-six million, two hundred twenty thousand, three".