50275305649 has 2 divisors, whose sum is σ = 50275305650. Its totient is φ = 50275305648.

The previous prime is 50275305631. The next prime is 50275305677. The reversal of 50275305649 is 94650357205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39457849600 + 10817456049 = 198640^2 + 104007^2 .

It is a cyclic number.

It is not a de Polignac number, because 50275305649 - 2³⁵ = 15915567281 is a prime.

It is a super-2 number, since 2×50275305649² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50275305599 and 50275305608.

It is not a weakly prime, because it can be changed into another prime (50275305049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25137652824 + 25137652825.

It is an arithmetic number, because the mean of its divisors is an integer number (25137652825).

Almost surely, 2^50275305649 is an apocalyptic number.

It is an amenable number.

50275305649 is a deficient number, since it is larger than the sum of its proper divisors (1).

50275305649 is an equidigital number, since it uses as much as digits as its factorization.

50275305649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 50275305649 in words is "fifty billion, two hundred seventy-five million, three hundred five thousand, six hundred forty-nine".