556056606503 has 2 divisors, whose sum is σ = 556056606504. Its totient is φ = 556056606502.

The previous prime is 556056606481. The next prime is 556056606529. The reversal of 556056606503 is 305606650655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556056606503 - 2³² = 551761639207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556056606103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278028303251 + 278028303252.

It is an arithmetic number, because the mean of its divisors is an integer number (278028303252).

Almost surely, 2^556056606503 is an apocalyptic number.

556056606503 is a deficient number, since it is larger than the sum of its proper divisors (1).

556056606503 is an equidigital number, since it uses as much as digits as its factorization.

556056606503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 556056606503 in words is "five hundred fifty-six billion, fifty-six million, six hundred six thousand, five hundred three".