55331603244101 has 2 divisors, whose sum is σ = 55331603244102. Its totient is φ = 55331603244100.

The previous prime is 55331603244089. The next prime is 55331603244107. The reversal of 55331603244101 is 10144230613355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42082920508225 + 13248682735876 = 6487135^2 + 3639874^2 .

It is a cyclic number.

It is not a de Polignac number, because 55331603244101 - 2³⁰ = 55330529502277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55331603244107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27665801622050 + 27665801622051.

It is an arithmetic number, because the mean of its divisors is an integer number (27665801622051).

Almost surely, 2^{55331603244101} is an apocalyptic number.

It is an amenable number.

55331603244101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55331603244101 is an equidigital number, since it uses as much as digits as its factorization.

55331603244101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 55331603244101 its reverse (10144230613355), we get a palindrome (65475833857456).

The spelling of 55331603244101 in words is "fifty-five trillion, three hundred thirty-one billion, six hundred three million, two hundred forty-four thousand, one hundred one".