50209240 has 32 divisors (see below), whose sum is σ = 114408000. Its totient is φ = 19828224.

The previous prime is 50209223. The next prime is 50209241. The reversal of 50209240 is 4290205.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50209241) 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, 4785 + ... + 11104.

It is an arithmetic number, because the mean of its divisors is an integer number (3575250).

Almost surely, 2^50209240 is an apocalyptic number.

It is an amenable number.

50209240 is an abundant number, since it is smaller than the sum of its proper divisors (64198760).

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

50209240 is a wasteful number, since it uses less digits than its factorization.

50209240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15979 (or 15975 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 50209240 is about 7085.8478674044. The cubic root of 50209240 is about 368.9163325066.

Adding to 50209240 its reverse (4290205), we get a palindrome (54499445).

The spelling of 50209240 in words is "fifty million, two hundred nine thousand, two hundred forty".