50825440 has 48 divisors (see below), whose sum is σ = 121625280. Its totient is φ = 20067840.

The previous prime is 50825431. The next prime is 50825443. The reversal of 50825440 is 4452805.

It is a junction number, because it is equal to n+sod(n) for n = 50825399 and 50825408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50825443) 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, 10630 + ... + 14650.

It is an arithmetic number, because the mean of its divisors is an integer number (2533860).

Almost surely, 2^50825440 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 50825440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60812640).

50825440 is an abundant number, since it is smaller than the sum of its proper divisors (70799840).

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

50825440 is a wasteful number, since it uses less digits than its factorization.

50825440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115 (or 4107 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 50825440 is about 7129.1963081402. The cubic root of 50825440 is about 370.4193929579.

The spelling of 50825440 in words is "fifty million, eight hundred twenty-five thousand, four hundred forty".