50890128 has 40 divisors (see below), whose sum is σ = 136003200. Its totient is φ = 16377984.

The previous prime is 50890121. The next prime is 50890153. The reversal of 50890128 is 82109805.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50890121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16888 + ... + 19671.

It is an arithmetic number, because the mean of its divisors is an integer number (3400080).

Almost surely, 2^50890128 is an apocalyptic number.

50890128 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

50890128 is an abundant number, since it is smaller than the sum of its proper divisors (85113072).

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

50890128 is a wasteful number, since it uses less digits than its factorization.

50890128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36599 (or 36593 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 50890128 is about 7133.7317022720. The cubic root of 50890128 is about 370.5764765703.

The spelling of 50890128 in words is "fifty million, eight hundred ninety thousand, one hundred twenty-eight".