555505427 has 2 divisors, whose sum is σ = 555505428. Its totient is φ = 555505426.

The previous prime is 555505421. The next prime is 555505441. The reversal of 555505427 is 724505555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555505427 - 2¹⁴ = 555489043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (555505421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277752713 + 277752714.

It is an arithmetic number, because the mean of its divisors is an integer number (277752714).

Almost surely, 2^555505427 is an apocalyptic number.

555505427 is a deficient number, since it is larger than the sum of its proper divisors (1).

555505427 is an equidigital number, since it uses as much as digits as its factorization.

555505427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175000, while the sum is 38.

The square root of 555505427 is about 23569.1626283158. The cubic root of 555505427 is about 822.0459651700.

The spelling of 555505427 in words is "five hundred fifty-five million, five hundred five thousand, four hundred twenty-seven".