50155428776664 has 32 divisors (see below), whose sum is σ = 126018665280000. Its totient is φ = 16634463813792.

The previous prime is 50155428776657. The next prime is 50155428776711. The reversal of 50155428776664 is 46667782455105.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 50155428776595 and 50155428776604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5250772944 + ... + 5250782495.

It is an arithmetic number, because the mean of its divisors is an integer number (3938083290000).

Almost surely, 2^{50155428776664} is an apocalyptic number.

It is an amenable number.

50155428776664 is an abundant number, since it is smaller than the sum of its proper divisors (75863236503336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50155428776664 is a wasteful number, since it uses less digits than its factorization.

50155428776664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501555647 (or 10501555643 counting only the distinct ones).

The product of its (nonzero) digits is 338688000, while the sum is 66.

The spelling of 50155428776664 in words is "fifty trillion, one hundred fifty-five billion, four hundred twenty-eight million, seven hundred seventy-six thousand, six hundred sixty-four".