556105027 has 2 divisors, whose sum is σ = 556105028. Its totient is φ = 556105026.

The previous prime is 556104959. The next prime is 556105051. The reversal of 556105027 is 720501655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556105027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556105027.

It is not a weakly prime, because it can be changed into another prime (556145027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278052513 + 278052514.

It is an arithmetic number, because the mean of its divisors is an integer number (278052514).

Almost surely, 2^556105027 is an apocalyptic number.

556105027 is a deficient number, since it is larger than the sum of its proper divisors (1).

556105027 is an equidigital number, since it uses as much as digits as its factorization.

556105027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 556105027 is about 23581.8792084092. The cubic root of 556105027 is about 822.3416247632.

The spelling of 556105027 in words is "five hundred fifty-six million, one hundred five thousand, twenty-seven".