50917750057 has 2 divisors, whose sum is σ = 50917750058. Its totient is φ = 50917750056.

The previous prime is 50917750049. The next prime is 50917750099. The reversal of 50917750057 is 75005771905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32360771881 + 18556978176 = 179891^2 + 136224^2 .

It is a cyclic number.

It is not a de Polignac number, because 50917750057 - 2³ = 50917750049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50917749989 and 50917750016.

It is not a weakly prime, because it can be changed into another prime (50917751057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25458875028 + 25458875029.

It is an arithmetic number, because the mean of its divisors is an integer number (25458875029).

Almost surely, 2^50917750057 is an apocalyptic number.

It is an amenable number.

50917750057 is a deficient number, since it is larger than the sum of its proper divisors (1).

50917750057 is an equidigital number, since it uses as much as digits as its factorization.

50917750057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 385875, while the sum is 46.

The spelling of 50917750057 in words is "fifty billion, nine hundred seventeen million, seven hundred fifty thousand, fifty-seven".