50865606658 has 16 divisors (see below), whose sum is σ = 76593913920. Its totient is φ = 25334363376.

The previous prime is 50865606647. The next prime is 50865606661. The reversal of 50865606658 is 85660656805.

It is a junction number, because it is equal to n+sod(n) for n = 50865606599 and 50865606608.

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 in 7 ways as a sum of consecutive naturals, for example, 1865016 + ... + 1892092.

It is an arithmetic number, because the mean of its divisors is an integer number (4787119620).

Almost surely, 2^50865606658 is an apocalyptic number.

50865606658 is a deficient number, since it is larger than the sum of its proper divisors (25728307262).

50865606658 is a wasteful number, since it uses less digits than its factorization.

50865606658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30681.

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 50865606658 in words is "fifty billion, eight hundred sixty-five million, six hundred six thousand, six hundred fifty-eight".