50643354077 has 2 divisors, whose sum is σ = 50643354078. Its totient is φ = 50643354076.

The previous prime is 50643354031. The next prime is 50643354079. The reversal of 50643354077 is 77045334605.

50643354077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44270684836 + 6372669241 = 210406^2 + 79829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50643354077 is a prime.

Together with 50643354079, 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 (50643354079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25321677038 + 25321677039.

It is an arithmetic number, because the mean of its divisors is an integer number (25321677039).

Almost surely, 2^50643354077 is an apocalyptic number.

It is an amenable number.

50643354077 is a deficient number, since it is larger than the sum of its proper divisors (1).

50643354077 is an equidigital number, since it uses as much as digits as its factorization.

50643354077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 50643354077 in words is "fifty billion, six hundred forty-three million, three hundred fifty-four thousand, seventy-seven".