55420341271 has 2 divisors, whose sum is σ = 55420341272. Its totient is φ = 55420341270.

The previous prime is 55420341217. The next prime is 55420341323. The reversal of 55420341271 is 17214302455.

Together with previous prime (55420341217) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55420341271 - 2¹¹ = 55420339223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55420341671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27710170635 + 27710170636.

It is an arithmetic number, because the mean of its divisors is an integer number (27710170636).

Almost surely, 2^55420341271 is an apocalyptic number.

55420341271 is a deficient number, since it is larger than the sum of its proper divisors (1).

55420341271 is an equidigital number, since it uses as much as digits as its factorization.

55420341271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 55420341271 in words is "fifty-five billion, four hundred twenty million, three hundred forty-one thousand, two hundred seventy-one".