55227421471 has 2 divisors, whose sum is σ = 55227421472. Its totient is φ = 55227421470.

The previous prime is 55227421423. The next prime is 55227421573. The reversal of 55227421471 is 17412472255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55227421471 - 2¹⁹ = 55226897183 is a prime.

It is a super-3 number, since 3×55227421471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55227421421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27613710735 + 27613710736.

It is an arithmetic number, because the mean of its divisors is an integer number (27613710736).

Almost surely, 2^55227421471 is an apocalyptic number.

55227421471 is a deficient number, since it is larger than the sum of its proper divisors (1).

55227421471 is an equidigital number, since it uses as much as digits as its factorization.

55227421471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 40.

The spelling of 55227421471 in words is "fifty-five billion, two hundred twenty-seven million, four hundred twenty-one thousand, four hundred seventy-one".