50357612686 has 4 divisors (see below), whose sum is σ = 75536419032. Its totient is φ = 25178806342.

The previous prime is 50357612659. The next prime is 50357612699. The reversal of 50357612686 is 68621675305.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12589403170 + ... + 12589403173.

It is an arithmetic number, because the mean of its divisors is an integer number (18884104758).

Almost surely, 2^50357612686 is an apocalyptic number.

50357612686 is a deficient number, since it is larger than the sum of its proper divisors (25178806346).

50357612686 is a wasteful number, since it uses less digits than its factorization.

50357612686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25178806345.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 50357612686 in words is "fifty billion, three hundred fifty-seven million, six hundred twelve thousand, six hundred eighty-six".