55050050049989 has 2 divisors, whose sum is σ = 55050050049990. Its totient is φ = 55050050049988.

The previous prime is 55050050049983. The next prime is 55050050050007. The reversal of 55050050049989 is 98994005005055.

55050050049989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38333743530625 + 16716306519364 = 6191425^2 + 4088558^2 .

It is a cyclic number.

It is not a de Polignac number, because 55050050049989 - 2²⁸ = 55049781614533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55050050049983) 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, 27525025024994 + 27525025024995.

It is an arithmetic number, because the mean of its divisors is an integer number (27525025024995).

Almost surely, 2^{55050050049989} is an apocalyptic number.

It is an amenable number.

55050050049989 is a deficient number, since it is larger than the sum of its proper divisors (1).

55050050049989 is an equidigital number, since it uses as much as digits as its factorization.

55050050049989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580000, while the sum is 59.

The spelling of 55050050049989 in words is "fifty-five trillion, fifty billion, fifty million, forty-nine thousand, nine hundred eighty-nine".