50121666424 has 32 divisors (see below), whose sum is σ = 98175006720. Its totient is φ = 23944128736.

The previous prime is 50121666377. The next prime is 50121666449. The reversal of 50121666424 is 42466612105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9657 + ... + 316759.

It is an arithmetic number, because the mean of its divisors is an integer number (3067968960).

Almost surely, 2^50121666424 is an apocalyptic number.

It is an amenable number.

50121666424 is a deficient number, since it is larger than the sum of its proper divisors (48053340296).

50121666424 is a wasteful number, since it uses less digits than its factorization.

50121666424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308019 (or 308015 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 50121666424 in words is "fifty billion, one hundred twenty-one million, six hundred sixty-six thousand, four hundred twenty-four".