50002644 has 48 divisors (see below), whose sum is σ = 128919168. Its totient is φ = 15003648.

The previous prime is 50002573. The next prime is 50002663. The reversal of 50002644 is 44620005.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50002644.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637 + ... + 10020.

It is an arithmetic number, because the mean of its divisors is an integer number (2685816).

Almost surely, 2^50002644 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 50002644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64459584).

50002644 is an abundant number, since it is smaller than the sum of its proper divisors (78916524).

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

50002644 is a wasteful number, since it uses less digits than its factorization.

50002644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10704 (or 10702 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 50002644 is about 7071.2547684269. The cubic root of 50002644 is about 368.4096434691.

Adding to 50002644 its reverse (44620005), we get a palindrome (94622649).

The spelling of 50002644 in words is "fifty million, two thousand, six hundred forty-four".