50215240 has 64 divisors (see below), whose sum is σ = 118681200. Its totient is φ = 19095552.

The previous prime is 50215213. The next prime is 50215259. The reversal of 50215240 is 4251205.

It can be written as a sum of positive squares in 8 ways, for example, as 26770276 + 23444964 = 5174^2 + 4842^2 .

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, 84384 + ... + 84976.

Almost surely, 2^50215240 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 50215240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59340600).

50215240 is an abundant number, since it is smaller than the sum of its proper divisors (68465960).

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

50215240 is a wasteful number, since it uses less digits than its factorization.

50215240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50215240 is about 7086.2712338719. The cubic root of 50215240 is about 368.9310270783.

Adding to 50215240 its reverse (4251205), we get a palindrome (54466445).

The spelling of 50215240 in words is "fifty million, two hundred fifteen thousand, two hundred forty".