50330640 has 80 divisors (see below), whose sum is σ = 159686208. Its totient is φ = 13106688.

The previous prime is 50330633. The next prime is 50330669. The reversal of 50330640 is 4603305.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 7882 + ... + 12758.

Almost surely, 2^50330640 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 50330640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79843104).

50330640 is an abundant number, since it is smaller than the sum of its proper divisors (109355568).

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

50330640 is a wasteful number, since it uses less digits than its factorization.

50330640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936 (or 4930 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 50330640 is about 7094.4090663000. The cubic root of 50330640 is about 369.2134252003.

Adding to 50330640 its reverse (4603305), we get a palindrome (54933945).

The spelling of 50330640 in words is "fifty million, three hundred thirty thousand, six hundred forty".