50011889728 has 56 divisors (see below), whose sum is σ = 99946846080. Its totient is φ = 24828864000.

The previous prime is 50011889687. The next prime is 50011889761. The reversal of 50011889728 is 82798811005.

It is a super-2 number, since 2×50011889728² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 8600550 + ... + 8606362.

Almost surely, 2^50011889728 is an apocalyptic number.

It is an amenable number.

50011889728 is a deficient number, since it is larger than the sum of its proper divisors (49934956352).

50011889728 is a wasteful number, since it uses less digits than its factorization.

50011889728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6755 (or 6745 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 49.

The spelling of 50011889728 in words is "fifty billion, eleven million, eight hundred eighty-nine thousand, seven hundred twenty-eight".