50691435995 has 4 divisors (see below), whose sum is σ = 60829723200. Its totient is φ = 40553148792.

The previous prime is 50691435983. The next prime is 50691435997. The reversal of 50691435995 is 59953419605.

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

It is a cyclic number.

It is not a de Polignac number, because 50691435995 - 2¹² = 50691431899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50691435995.

It is not an unprimeable number, because it can be changed into a prime (50691435997) 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, 5069143595 + ... + 5069143604.

It is an arithmetic number, because the mean of its divisors is an integer number (15207430800).

Almost surely, 2^50691435995 is an apocalyptic number.

50691435995 is a deficient number, since it is larger than the sum of its proper divisors (10138287205).

50691435995 is a wasteful number, since it uses less digits than its factorization.

50691435995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138287204.

The product of its (nonzero) digits is 6561000, while the sum is 56.

The spelling of 50691435995 in words is "fifty billion, six hundred ninety-one million, four hundred thirty-five thousand, nine hundred ninety-five".