55224424221611 has 2 divisors, whose sum is σ = 55224424221612. Its totient is φ = 55224424221610.

The previous prime is 55224424221557. The next prime is 55224424221661. The reversal of 55224424221611 is 11612242442255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55224424221611 - 2³⁸ = 54949546314667 is a prime.

It is not a weakly prime, because it can be changed into another prime (55224424221661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27612212110805 + 27612212110806.

It is an arithmetic number, because the mean of its divisors is an integer number (27612212110806).

Almost surely, 2^{55224424221611} is an apocalyptic number.

55224424221611 is a deficient number, since it is larger than the sum of its proper divisors (1).

55224424221611 is an equidigital number, since it uses as much as digits as its factorization.

55224424221611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 307200, while the sum is 41.

Adding to 55224424221611 its reverse (11612242442255), we get a palindrome (66836666663866).

The spelling of 55224424221611 in words is "fifty-five trillion, two hundred twenty-four billion, four hundred twenty-four million, two hundred twenty-one thousand, six hundred eleven".