50000555489 has 2 divisors, whose sum is σ = 50000555490. Its totient is φ = 50000555488.

The previous prime is 50000555387. The next prime is 50000555509. The reversal of 50000555489 is 98455500005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41496949264 + 8503606225 = 203708^2 + 92215^2 .

It is a cyclic number.

It is not a de Polignac number, because 50000555489 - 2¹⁶ = 50000489953 is a prime.

It is not a weakly prime, because it can be changed into another prime (50000585489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000277744 + 25000277745.

It is an arithmetic number, because the mean of its divisors is an integer number (25000277745).

Almost surely, 2^50000555489 is an apocalyptic number.

It is an amenable number.

50000555489 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000555489 is an equidigital number, since it uses as much as digits as its factorization.

50000555489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 50000555489 in words is "fifty billion, five hundred fifty-five thousand, four hundred eighty-nine".