55421210212741 has 2 divisors, whose sum is σ = 55421210212742. Its totient is φ = 55421210212740.

The previous prime is 55421210212703. The next prime is 55421210212747. The reversal of 55421210212741 is 14721201212455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42885864612900 + 12535345599841 = 6548730^2 + 3540529^2 .

It is a cyclic number.

It is not a de Polignac number, because 55421210212741 - 2³⁹ = 54871454398853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55421210212741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55421210212747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27710605106370 + 27710605106371.

It is an arithmetic number, because the mean of its divisors is an integer number (27710605106371).

Almost surely, 2^{55421210212741} is an apocalyptic number.

It is an amenable number.

55421210212741 is a deficient number, since it is larger than the sum of its proper divisors (1).

55421210212741 is an equidigital number, since it uses as much as digits as its factorization.

55421210212741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 55421210212741 in words is "fifty-five trillion, four hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, seven hundred forty-one".