50920128 has 168 divisors, whose sum is σ = 170066208. Its totient is φ = 14266368.

The previous prime is 50920109. The next prime is 50920139. The reversal of 50920128 is 82102905.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294250 + ... + 294422.

Almost surely, 2^50920128 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 50920128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85033104).

50920128 is an abundant number, since it is smaller than the sum of its proper divisors (119146080).

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

50920128 is a wasteful number, since it uses less digits than its factorization.

50920128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50920128 is about 7135.8340787885. The cubic root of 50920128 is about 370.6492811978.

The spelling of 50920128 in words is "fifty million, nine hundred twenty thousand, one hundred twenty-eight".