50009815775 has 12 divisors (see below), whose sum is σ = 62282974200. Its totient is φ = 39833141280.

The previous prime is 50009815763. The next prime is 50009815777. The reversal of 50009815775 is 57751890005.

It is a happy number.

It is not a de Polignac number, because 50009815775 - 2¹² = 50009811679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50009815777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4361945 + ... + 4373394.

It is an arithmetic number, because the mean of its divisors is an integer number (5190247850).

Almost surely, 2^50009815775 is an apocalyptic number.

50009815775 is a deficient number, since it is larger than the sum of its proper divisors (12273158425).

50009815775 is a wasteful number, since it uses less digits than its factorization.

50009815775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735578 (or 8735573 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 47.

The spelling of 50009815775 in words is "fifty billion, nine million, eight hundred fifteen thousand, seven hundred seventy-five".