50021768 has 16 divisors (see below), whose sum is σ = 94133580. Its totient is φ = 24919488.

The previous prime is 50021767. The next prime is 50021779. The reversal of 50021768 is 86712005.

50021768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40424164 + 9597604 = 6358^2 + 3098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50021768.

It is not an unprimeable number, because it can be changed into a prime (50021761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9071 + ... + 13502.

Almost surely, 2^50021768 is an apocalyptic number.

It is an amenable number.

50021768 is a deficient number, since it is larger than the sum of its proper divisors (44111812).

50021768 is a wasteful number, since it uses less digits than its factorization.

50021768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22856 (or 22852 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 50021768 is about 7072.6068744134. The cubic root of 50021768 is about 368.4566047725.

The spelling of 50021768 in words is "fifty million, twenty-one thousand, seven hundred sixty-eight".