50555504738789 has 2 divisors, whose sum is σ = 50555504738790. Its totient is φ = 50555504738788.

The previous prime is 50555504738719. The next prime is 50555504738803. The reversal of 50555504738789 is 98783740555505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50243174650564 + 312330088225 = 7088242^2 + 558865^2 .

It is a cyclic number.

It is not a de Polignac number, because 50555504738789 - 2²⁸ = 50555236303333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555504738719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277752369394 + 25277752369395.

It is an arithmetic number, because the mean of its divisors is an integer number (25277752369395).

Almost surely, 2^{50555504738789} is an apocalyptic number.

It is an amenable number.

50555504738789 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555504738789 is an equidigital number, since it uses as much as digits as its factorization.

50555504738789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400000, while the sum is 71.

The spelling of 50555504738789 in words is "fifty trillion, five hundred fifty-five billion, five hundred four million, seven hundred thirty-eight thousand, seven hundred eighty-nine".