50043240 has 288 divisors, whose sum is σ = 191089080. Its totient is φ = 11280384.

The previous prime is 50043233. The next prime is 50043251. The reversal of 50043240 is 4234005.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 18301284 + 31741956 = 4278^2 + 5634^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1352502 + ... + 1352538.

Almost surely, 2^50043240 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 50043240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95544540).

50043240 is an abundant number, since it is smaller than the sum of its proper divisors (141045840).

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

50043240 is a wasteful number, since it uses less digits than its factorization.

50043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 50043240 is about 7074.1246808351. The cubic root of 50043240 is about 368.5093176133.

Adding to 50043240 its reverse (4234005), we get a palindrome (54277245).

The spelling of 50043240 in words is "fifty million, forty-three thousand, two hundred forty".