51050050605077 has 2 divisors, whose sum is σ = 51050050605078. Its totient is φ = 51050050605076.

The previous prime is 51050050605013. The next prime is 51050050605107. The reversal of 51050050605077 is 77050605005015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50667148303396 + 382902301681 = 7118086^2 + 618791^2 .

It is a cyclic number.

It is not a de Polignac number, because 51050050605077 - 2⁶ = 51050050605013 is a prime.

It is a super-2 number, since 2×51050050605077² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51050055605077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525025302538 + 25525025302539.

It is an arithmetic number, because the mean of its divisors is an integer number (25525025302539).

Almost surely, 2^{51050050605077} is an apocalyptic number.

It is an amenable number.

51050050605077 is a deficient number, since it is larger than the sum of its proper divisors (1).

51050050605077 is an equidigital number, since it uses as much as digits as its factorization.

51050050605077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183750, while the sum is 41.

The spelling of 51050050605077 in words is "fifty-one trillion, fifty billion, fifty million, six hundred five thousand, seventy-seven".