50121808 has 20 divisors (see below), whose sum is σ = 105939648. Its totient is φ = 22782560.

The previous prime is 50121793. The next prime is 50121817. The reversal of 50121808 is 80812105.

50121808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 142216 + ... + 142567.

Almost surely, 2^50121808 is an apocalyptic number.

It is an amenable number.

50121808 is an abundant number, since it is smaller than the sum of its proper divisors (55817840).

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

50121808 is a wasteful number, since it uses less digits than its factorization.

50121808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284802 (or 284796 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 50121808 is about 7079.6756987873. The cubic root of 50121808 is about 368.7020702618.

The spelling of 50121808 in words is "fifty million, one hundred twenty-one thousand, eight hundred eight".