55250565443429 has 2 divisors, whose sum is σ = 55250565443430. Its totient is φ = 55250565443428.

The previous prime is 55250565443419. The next prime is 55250565443531. The reversal of 55250565443429 is 92434456505255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36313037560900 + 18937527882529 = 6026030^2 + 4351727^2 .

It is a cyclic number.

It is not a de Polignac number, because 55250565443429 - 2²⁰ = 55250564394853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55250565443419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625282721714 + 27625282721715.

It is an arithmetic number, because the mean of its divisors is an integer number (27625282721715).

Almost surely, 2^{55250565443429} is an apocalyptic number.

It is an amenable number.

55250565443429 is a deficient number, since it is larger than the sum of its proper divisors (1).

55250565443429 is an equidigital number, since it uses as much as digits as its factorization.

55250565443429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600000, while the sum is 59.

The spelling of 55250565443429 in words is "fifty-five trillion, two hundred fifty billion, five hundred sixty-five million, four hundred forty-three thousand, four hundred twenty-nine".