50030640 has 120 divisors (see below), whose sum is σ = 183323088. Its totient is φ = 12126720.

The previous prime is 50030627. The next prime is 50030663. The reversal of 50030640 is 4603005.

It is a happy number.

50030640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4762 + ... + 11078.

Almost surely, 2^50030640 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 50030640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91661544).

50030640 is an abundant number, since it is smaller than the sum of its proper divisors (133292448).

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

50030640 is a wasteful number, since it uses less digits than its factorization.

50030640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347 (or 6338 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 50030640 is about 7073.2340552254. The cubic root of 50030640 is about 368.4783869811.

Adding to 50030640 its reverse (4603005), we get a palindrome (54633645).

The spelling of 50030640 in words is "fifty million, thirty thousand, six hundred forty".