55403088271 has 2 divisors, whose sum is σ = 55403088272. Its totient is φ = 55403088270.

The previous prime is 55403088269. The next prime is 55403088313. The reversal of 55403088271 is 17288030455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55403088271 - 2¹ = 55403088269 is a prime.

Together with 55403088269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55403088571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27701544135 + 27701544136.

It is an arithmetic number, because the mean of its divisors is an integer number (27701544136).

Almost surely, 2^55403088271 is an apocalyptic number.

55403088271 is a deficient number, since it is larger than the sum of its proper divisors (1).

55403088271 is an equidigital number, since it uses as much as digits as its factorization.

55403088271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 55403088271 in words is "fifty-five billion, four hundred three million, eighty-eight thousand, two hundred seventy-one".