50642052077 has 2 divisors, whose sum is σ = 50642052078. Its totient is φ = 50642052076.

The previous prime is 50642052061. The next prime is 50642052113. The reversal of 50642052077 is 77025024605.

It is a happy number.

50642052077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48426843721 + 2215208356 = 220061^2 + 47066^2 .

It is a cyclic number.

It is not a de Polignac number, because 50642052077 - 2⁴ = 50642052061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50642052077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50642052017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25321026038 + 25321026039.

It is an arithmetic number, because the mean of its divisors is an integer number (25321026039).

Almost surely, 2^50642052077 is an apocalyptic number.

It is an amenable number.

50642052077 is a deficient number, since it is larger than the sum of its proper divisors (1).

50642052077 is an equidigital number, since it uses as much as digits as its factorization.

50642052077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 50642052077 in words is "fifty billion, six hundred forty-two million, fifty-two thousand, seventy-seven".