50545128 has 64 divisors (see below), whose sum is σ = 133701120. Its totient is φ = 15897600.

The previous prime is 50545067. The next prime is 50545129. The reversal of 50545128 is 82154505.

It is a junction number, because it is equal to n+sod(n) for n = 50545095 and 50545104.

It is not an unprimeable number, because it can be changed into a prime (50545129) 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, 29676 + ... + 31332.

It is an arithmetic number, because the mean of its divisors is an integer number (2089080).

Almost surely, 2^50545128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50545128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66850560).

50545128 is an abundant number, since it is smaller than the sum of its proper divisors (83155992).

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

50545128 is a wasteful number, since it uses less digits than its factorization.

50545128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 1734 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 50545128 is about 7109.5096877352. The cubic root of 50545128 is about 369.7371593220.

The spelling of 50545128 in words is "fifty million, five hundred forty-five thousand, one hundred twenty-eight".