55423243672571 has 2 divisors, whose sum is σ = 55423243672572. Its totient is φ = 55423243672570.

The previous prime is 55423243672523. The next prime is 55423243672579. The reversal of 55423243672571 is 17527634232455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55423243672571 - 2³⁰ = 55422169930747 is a prime.

It is not a weakly prime, because it can be changed into another prime (55423243672579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27711621836285 + 27711621836286.

It is an arithmetic number, because the mean of its divisors is an integer number (27711621836286).

Almost surely, 2^{55423243672571} is an apocalyptic number.

55423243672571 is a deficient number, since it is larger than the sum of its proper divisors (1).

55423243672571 is an equidigital number, since it uses as much as digits as its factorization.

55423243672571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336000, while the sum is 56.

The spelling of 55423243672571 in words is "fifty-five trillion, four hundred twenty-three billion, two hundred forty-three million, six hundred seventy-two thousand, five hundred seventy-one".