50128144 has 20 divisors (see below), whose sum is σ = 105953040. Its totient is φ = 22785440.

The previous prime is 50128139. The next prime is 50128157. The reversal of 50128144 is 44182105.

50128144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 142234 + ... + 142585.

It is an arithmetic number, because the mean of its divisors is an integer number (5297652).

Almost surely, 2^50128144 is an apocalyptic number.

It is an amenable number.

50128144 is an abundant number, since it is smaller than the sum of its proper divisors (55824896).

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

50128144 is a wasteful number, since it uses less digits than its factorization.

50128144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284838 (or 284832 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 50128144 is about 7080.1231627705. The cubic root of 50128144 is about 368.7176057342.

The spelling of 50128144 in words is "fifty million, one hundred twenty-eight thousand, one hundred forty-four".