55056060106121 has 2 divisors, whose sum is σ = 55056060106122. Its totient is φ = 55056060106120.

The previous prime is 55056060106001. The next prime is 55056060106123. The reversal of 55056060106121 is 12160106065055.

It is a happy number.

55056060106121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54446394288400 + 609665817721 = 7378780^2 + 780811^2 .

It is a cyclic number.

It is not a de Polignac number, because 55056060106121 - 2³⁰ = 55054986364297 is a prime.

Together with 55056060106123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55056060106123) 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, 27528030053060 + 27528030053061.

It is an arithmetic number, because the mean of its divisors is an integer number (27528030053061).

Almost surely, 2^{55056060106121} is an apocalyptic number.

It is an amenable number.

55056060106121 is a deficient number, since it is larger than the sum of its proper divisors (1).

55056060106121 is an equidigital number, since it uses as much as digits as its factorization.

55056060106121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 55056060106121 in words is "fifty-five trillion, fifty-six billion, sixty million, one hundred six thousand, one hundred twenty-one".