50243840 has 72 divisors (see below), whose sum is σ = 127484280. Its totient is φ = 18907136.

The previous prime is 50243827. The next prime is 50243881. The reversal of 50243840 is 4834205.

It can be written as a sum of positive squares in 4 ways, for example, as 18524416 + 31719424 = 4304^2 + 5632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20606 + ... + 22914.

It is an arithmetic number, because the mean of its divisors is an integer number (1770615).

Almost surely, 2^50243840 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 50243840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63742140).

50243840 is an abundant number, since it is smaller than the sum of its proper divisors (77240440).

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

50243840 is a wasteful number, since it uses less digits than its factorization.

50243840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 50243840 is about 7088.2889331629. The cubic root of 50243840 is about 369.0010551205.

The spelling of 50243840 in words is "fifty million, two hundred forty-three thousand, eight hundred forty".