50107730557 has 2 divisors, whose sum is σ = 50107730558. Its totient is φ = 50107730556.

The previous prime is 50107730539. The next prime is 50107730573. The reversal of 50107730557 is 75503770105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49630482841 + 477247716 = 222779^2 + 21846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50107730557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50107730657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25053865278 + 25053865279.

It is an arithmetic number, because the mean of its divisors is an integer number (25053865279).

Almost surely, 2^50107730557 is an apocalyptic number.

It is an amenable number.

50107730557 is a deficient number, since it is larger than the sum of its proper divisors (1).

50107730557 is an equidigital number, since it uses as much as digits as its factorization.

50107730557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128625, while the sum is 40.

The spelling of 50107730557 in words is "fifty billion, one hundred seven million, seven hundred thirty thousand, five hundred fifty-seven".