556056155929 has 2 divisors, whose sum is σ = 556056155930. Its totient is φ = 556056155928.

The previous prime is 556056155923. The next prime is 556056155933. The reversal of 556056155929 is 929551650655.

556056155929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363753734400 + 192302421529 = 603120^2 + 438523^2 .

It is a cyclic number.

It is not a de Polignac number, because 556056155929 - 2¹¹ = 556056153881 is a prime.

It is not a weakly prime, because it can be changed into another prime (556056155923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278028077964 + 278028077965.

It is an arithmetic number, because the mean of its divisors is an integer number (278028077965).

Almost surely, 2^556056155929 is an apocalyptic number.

It is an amenable number.

556056155929 is a deficient number, since it is larger than the sum of its proper divisors (1).

556056155929 is an equidigital number, since it uses as much as digits as its factorization.

556056155929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18225000, while the sum is 58.

The spelling of 556056155929 in words is "five hundred fifty-six billion, fifty-six million, one hundred fifty-five thousand, nine hundred twenty-nine".