50128272 has 60 divisors (see below), whose sum is σ = 142294464. Its totient is φ = 16470720.

The previous prime is 50128249. The next prime is 50128279. The reversal of 50128272 is 27282105.

It is not an unprimeable number, because it can be changed into a prime (50128279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7773 + ... + 12675.

Almost surely, 2^50128272 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 50128272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71147232).

50128272 is an abundant number, since it is smaller than the sum of its proper divisors (92166192).

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

50128272 is a wasteful number, since it uses less digits than its factorization.

50128272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988 (or 4979 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 50128272 is about 7080.1322021556. The cubic root of 50128272 is about 368.7179195686.

The spelling of 50128272 in words is "fifty million, one hundred twenty-eight thousand, two hundred seventy-two".