255555555527 has 2 divisors, whose sum is σ = 255555555528. Its totient is φ = 255555555526.

The previous prime is 255555555511. The next prime is 255555555587. The reversal of 255555555527 is 725555555552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255555555527 - 2⁴ = 255555555511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255555555587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127777777763 + 127777777764.

It is an arithmetic number, because the mean of its divisors is an integer number (127777777764).

Almost surely, 2^255555555527 is an apocalyptic number.

255555555527 is a deficient number, since it is larger than the sum of its proper divisors (1).

255555555527 is an equidigital number, since it uses as much as digits as its factorization.

255555555527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54687500, while the sum is 56.

The spelling of 255555555527 in words is "two hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred twenty-seven".