50857775107 has 4 divisors (see below), whose sum is σ = 52611491520. Its totient is φ = 49104058696.

The previous prime is 50857775041. The next prime is 50857775149. The reversal of 50857775107 is 70157775805.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50857775107 is a prime.

It is a super-3 number, since 3×50857775107³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50857775197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876858163 + ... + 876858220.

It is an arithmetic number, because the mean of its divisors is an integer number (13152872880).

Almost surely, 2^50857775107 is an apocalyptic number.

50857775107 is a deficient number, since it is larger than the sum of its proper divisors (1753716413).

50857775107 is a wasteful number, since it uses less digits than its factorization.

50857775107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753716412.

The product of its (nonzero) digits is 2401000, while the sum is 52.

The spelling of 50857775107 in words is "fifty billion, eight hundred fifty-seven million, seven hundred seventy-five thousand, one hundred seven".