50642428 has 12 divisors (see below), whose sum is σ = 89084800. Its totient is φ = 25189632.

The previous prime is 50642411. The next prime is 50642441. The reversal of 50642428 is 82424605.

It is a self number, because there is not a number n which added to its sum of digits gives 50642428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32028 + ... + 33571.

Almost surely, 2^50642428 is an apocalyptic number.

It is an amenable number.

50642428 is a deficient number, since it is larger than the sum of its proper divisors (38442372).

50642428 is a wasteful number, since it uses less digits than its factorization.

50642428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65796 (or 65794 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 50642428 is about 7116.3493449942. The cubic root of 50642428 is about 369.9742567918.

The spelling of 50642428 in words is "fifty million, six hundred forty-two thousand, four hundred twenty-eight".