50128143 has 16 divisors (see below), whose sum is σ = 72683520. Its totient is φ = 30546144.

The previous prime is 50128139. The next prime is 50128157. The reversal of 50128143 is 34182105.

It is not a de Polignac number, because 50128143 - 2² = 50128139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50128103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2223 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (4542720).

Almost surely, 2^50128143 is an apocalyptic number.

50128143 is a deficient number, since it is larger than the sum of its proper divisors (22555377).

50128143 is a wasteful number, since it uses less digits than its factorization.

50128143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12598.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 50128143 is about 7080.1230921503. The cubic root of 50128143 is about 368.7176032824.

The spelling of 50128143 in words is "fifty million, one hundred twenty-eight thousand, one hundred forty-three".