50891226049 has 2 divisors, whose sum is σ = 50891226050. Its totient is φ = 50891226048.

The previous prime is 50891226013. The next prime is 50891226053. The reversal of 50891226049 is 94062219805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42577433649 + 8313792400 = 206343^2 + 91180^2 .

It is a cyclic number.

It is not a de Polignac number, because 50891226049 - 2⁷ = 50891225921 is a prime.

It is not a weakly prime, because it can be changed into another prime (50891220049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25445613024 + 25445613025.

It is an arithmetic number, because the mean of its divisors is an integer number (25445613025).

Almost surely, 2^50891226049 is an apocalyptic number.

It is an amenable number.

50891226049 is a deficient number, since it is larger than the sum of its proper divisors (1).

50891226049 is an equidigital number, since it uses as much as digits as its factorization.

50891226049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 50891226049 in words is "fifty billion, eight hundred ninety-one million, two hundred twenty-six thousand, forty-nine".