50311793587 has 6 divisors (see below), whose sum is σ = 55301393084. Its totient is φ = 45737994060.

The previous prime is 50311793579. The next prime is 50311793591. The reversal of 50311793587 is 78539711305.

It is a happy number.

It is not a de Polignac number, because 50311793587 - 2³ = 50311793579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50311793587.

It is not an unprimeable number, because it can be changed into a prime (50311793507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207899853 + ... + 207900094.

Almost surely, 2^50311793587 is an apocalyptic number.

50311793587 is a deficient number, since it is larger than the sum of its proper divisors (4989599497).

50311793587 is a wasteful number, since it uses less digits than its factorization.

50311793587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415799969 (or 415799958 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 49.

The spelling of 50311793587 in words is "fifty billion, three hundred eleven million, seven hundred ninety-three thousand, five hundred eighty-seven".