50428840 has 96 divisors (see below), whose sum is σ = 144050400. Its totient is φ = 15711360.

The previous prime is 50428837. The next prime is 50428867. The reversal of 50428840 is 4882405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20391 + ... + 22729.

It is an arithmetic number, because the mean of its divisors is an integer number (1500525).

Almost surely, 2^50428840 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 50428840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72025200).

50428840 is an abundant number, since it is smaller than the sum of its proper divisors (93621560).

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

50428840 is a wasteful number, since it uses less digits than its factorization.

50428840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 50428840 is about 7101.3266366222. The cubic root of 50428840 is about 369.4533930325.

The spelling of 50428840 in words is "fifty million, four hundred twenty-eight thousand, eight hundred forty".