50021455136 has 24 divisors (see below), whose sum is σ = 99140687100. Its totient is φ = 24842867968.

The previous prime is 50021455123. The next prime is 50021455193. The reversal of 50021455136 is 63155412005.

It can be written as a sum of positive squares in 2 ways, for example, as 35855694736 + 14165760400 = 189356^2 + 119020^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5240771 + ... + 5250306.

Almost surely, 2^50021455136 is an apocalyptic number.

It is an amenable number.

50021455136 is a deficient number, since it is larger than the sum of its proper divisors (49119231964).

50021455136 is a wasteful number, since it uses less digits than its factorization.

50021455136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491236 (or 10491228 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 50021455136 in words is "fifty billion, twenty-one million, four hundred fifty-five thousand, one hundred thirty-six".