50009904 has 60 divisors (see below), whose sum is σ = 159955536. Its totient is φ = 14288256.

The previous prime is 50009879. The next prime is 50009909. The reversal of 50009904 is 40990005.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50009909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23799 + ... + 25814.

Almost surely, 2^50009904 is an apocalyptic number.

It is an amenable number.

50009904 is an abundant number, since it is smaller than the sum of its proper divisors (109945632).

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

50009904 is a wasteful number, since it uses less digits than its factorization.

50009904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49634 (or 49625 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 50009904 is about 7071.7680957452. The cubic root of 50009904 is about 368.4274726901.

Adding to 50009904 its reverse (40990005), we get a palindrome (90999909).

The spelling of 50009904 in words is "fifty million, nine thousand, nine hundred four".