50528240 has 80 divisors (see below), whose sum is σ = 140133888. Its totient is φ = 16566528.

The previous prime is 50528227. The next prime is 50528281. The reversal of 50528240 is 4282505.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10919 + ... + 14841.

Almost surely, 2^50528240 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 50528240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70066944).

50528240 is an abundant number, since it is smaller than the sum of its proper divisors (89605648).

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

50528240 is a wasteful number, since it uses less digits than its factorization.

50528240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966 (or 3960 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 50528240 is about 7108.3218835390. The cubic root of 50528240 is about 369.6959762120.

The spelling of 50528240 in words is "fifty million, five hundred twenty-eight thousand, two hundred forty".