50815240 has 64 divisors (see below), whose sum is σ = 131788800. Its totient is φ = 17273088.

The previous prime is 50815217. The next prime is 50815243. The reversal of 50815240 is 4251805.

It is not an unprimeable number, because it can be changed into a prime (50815243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34846 + ... + 36274.

It is an arithmetic number, because the mean of its divisors is an integer number (2059200).

Almost surely, 2^50815240 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 50815240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65894400).

50815240 is an abundant number, since it is smaller than the sum of its proper divisors (80973560).

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

50815240 is a wasteful number, since it uses less digits than its factorization.

50815240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 50815240 is about 7128.4809040917. The cubic root of 50815240 is about 370.3946118602.

The spelling of 50815240 in words is "fifty million, eight hundred fifteen thousand, two hundred forty".