50217428 has 12 divisors (see below), whose sum is σ = 88112640. Its totient is φ = 25042392.

The previous prime is 50217403. The next prime is 50217463. The reversal of 50217428 is 82471205.

It is a self number, because there is not a number n which added to its sum of digits gives 50217428.

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, 14858 + ... + 17921.

It is an arithmetic number, because the mean of its divisors is an integer number (7342720).

Almost surely, 2^50217428 is an apocalyptic number.

It is an amenable number.

50217428 is a deficient number, since it is larger than the sum of its proper divisors (37895212).

50217428 is a wasteful number, since it uses less digits than its factorization.

50217428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33166 (or 33164 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 50217428 is about 7086.4256152167. The cubic root of 50217428 is about 368.9363854075.

The spelling of 50217428 in words is "fifty million, two hundred seventeen thousand, four hundred twenty-eight".