27755255503 has 2 divisors, whose sum is σ = 27755255504. Its totient is φ = 27755255502.

The previous prime is 27755255399. The next prime is 27755255509. The reversal of 27755255503 is 30555255772.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27755255503 is a prime.

It is a super-4 number, since 4×27755255503⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27755255509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13877627751 + 13877627752.

It is an arithmetic number, because the mean of its divisors is an integer number (13877627752).

Almost surely, 2^27755255503 is an apocalyptic number.

27755255503 is a deficient number, since it is larger than the sum of its proper divisors (1).

27755255503 is an equidigital number, since it uses as much as digits as its factorization.

27755255503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837500, while the sum is 46.

The spelling of 27755255503 in words is "twenty-seven billion, seven hundred fifty-five million, two hundred fifty-five thousand, five hundred three".