50638656764 has 12 divisors (see below), whose sum is σ = 88622637264. Its totient is φ = 25317903264.

The previous prime is 50638656751. The next prime is 50638656779. The reversal of 50638656764 is 46765683605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274232 + ... + 420095.

It is an arithmetic number, because the mean of its divisors is an integer number (7385219772).

Almost surely, 2^50638656764 is an apocalyptic number.

It is an amenable number.

50638656764 is a deficient number, since it is larger than the sum of its proper divisors (37983980500).

50638656764 is a wasteful number, since it uses less digits than its factorization.

50638656764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712564 (or 712562 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 50638656764 in words is "fifty billion, six hundred thirty-eight million, six hundred fifty-six thousand, seven hundred sixty-four".