50680701557 has 2 divisors, whose sum is σ = 50680701558. Its totient is φ = 50680701556.

The previous prime is 50680701551. The next prime is 50680701559. The reversal of 50680701557 is 75510708605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50207813041 + 472888516 = 224071^2 + 21746^2 .

It is a cyclic number.

It is not a de Polignac number, because 50680701557 - 2¹⁶ = 50680636021 is a prime.

Together with 50680701559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50680701551) 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, 25340350778 + 25340350779.

It is an arithmetic number, because the mean of its divisors is an integer number (25340350779).

Almost surely, 2^50680701557 is an apocalyptic number.

It is an amenable number.

50680701557 is a deficient number, since it is larger than the sum of its proper divisors (1).

50680701557 is an equidigital number, since it uses as much as digits as its factorization.

50680701557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294000, while the sum is 44.

The spelling of 50680701557 in words is "fifty billion, six hundred eighty million, seven hundred one thousand, five hundred fifty-seven".