55245245227 has 2 divisors, whose sum is σ = 55245245228. Its totient is φ = 55245245226.

The previous prime is 55245245191. The next prime is 55245245261. The reversal of 55245245227 is 72254254255.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55245245227 is a prime.

It is not a weakly prime, because it can be changed into another prime (55245245527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27622622613 + 27622622614.

It is an arithmetic number, because the mean of its divisors is an integer number (27622622614).

Almost surely, 2^55245245227 is an apocalyptic number.

55245245227 is a deficient number, since it is larger than the sum of its proper divisors (1).

55245245227 is an equidigital number, since it uses as much as digits as its factorization.

55245245227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120000, while the sum is 43.

The spelling of 55245245227 in words is "fifty-five billion, two hundred forty-five million, two hundred forty-five thousand, two hundred twenty-seven".