55204230544129 has 2 divisors, whose sum is σ = 55204230544130. Its totient is φ = 55204230544128.

The previous prime is 55204230544049. The next prime is 55204230544301. The reversal of 55204230544129 is 92144503240255.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34634966981904 + 20569263562225 = 5885148^2 + 4535335^2 .

It is a cyclic number.

It is not a de Polignac number, because 55204230544129 - 2³⁹ = 54654474730241 is a prime.

It is not a weakly prime, because it can be changed into another prime (55204230514129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27602115272064 + 27602115272065.

It is an arithmetic number, because the mean of its divisors is an integer number (27602115272065).

Almost surely, 2^{55204230544129} is an apocalyptic number.

It is an amenable number.

55204230544129 is a deficient number, since it is larger than the sum of its proper divisors (1).

55204230544129 is an equidigital number, since it uses as much as digits as its factorization.

55204230544129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 55204230544129 in words is "fifty-five trillion, two hundred four billion, two hundred thirty million, five hundred forty-four thousand, one hundred twenty-nine".