50784191617 has 2 divisors, whose sum is σ = 50784191618. Its totient is φ = 50784191616.

The previous prime is 50784191501. The next prime is 50784191621. The reversal of 50784191617 is 71619148705.

50784191617 is nontrivially palindromic in base 3.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50710986481 + 73205136 = 225191^2 + 8556^2 .

It is a cyclic number.

It is not a de Polignac number, because 50784191617 - 2¹¹ = 50784189569 is a prime.

It is not a weakly prime, because it can be changed into another prime (50784197617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25392095808 + 25392095809.

It is an arithmetic number, because the mean of its divisors is an integer number (25392095809).

Almost surely, 2^50784191617 is an apocalyptic number.

It is an amenable number.

50784191617 is a deficient number, since it is larger than the sum of its proper divisors (1).

50784191617 is an equidigital number, since it uses as much as digits as its factorization.

50784191617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 50784191617 in words is "fifty billion, seven hundred eighty-four million, one hundred ninety-one thousand, six hundred seventeen".