50017040 has 20 divisors (see below), whose sum is σ = 116289804. Its totient is φ = 20006784.

The previous prime is 50017003. The next prime is 50017049. The reversal of 50017040 is 4071005.

It is a happy number.

50017040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33500944 + 16516096 = 5788^2 + 4064^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (50017049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 312527 + ... + 312686.

Almost surely, 2^50017040 is an apocalyptic number.

It is an amenable number.

50017040 is an abundant number, since it is smaller than the sum of its proper divisors (66272764).

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

50017040 is a wasteful number, since it uses less digits than its factorization.

50017040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625226 (or 625220 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 50017040 is about 7072.2726191798. The cubic root of 50017040 is about 368.4449957085. Note that the first 3 decimals are identical.

Adding to 50017040 its reverse (4071005), we get a palindrome (54088045).

The spelling of 50017040 in words is "fifty million, seventeen thousand, forty".