50143240 has 32 divisors (see below), whose sum is σ = 128940480. Its totient is φ = 17191872.

The previous prime is 50143237. The next prime is 50143259. The reversal of 50143240 is 4234105.

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, 89262 + ... + 89821.

It is an arithmetic number, because the mean of its divisors is an integer number (4029390).

Almost surely, 2^50143240 is an apocalyptic number.

It is an amenable number.

50143240 is an abundant number, since it is smaller than the sum of its proper divisors (78797240).

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

50143240 is a wasteful number, since it uses less digits than its factorization.

50143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179101 (or 179097 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 50143240 is about 7081.1891656698. The cubic root of 50143240 is about 368.7546148996.

Adding to 50143240 its reverse (4234105), we get a palindrome (54377345).

The spelling of 50143240 in words is "fifty million, one hundred forty-three thousand, two hundred forty".