50631428 has 12 divisors (see below), whose sum is σ = 93268560. Its totient is φ = 23983272.

The previous prime is 50631397. The next prime is 50631467. The reversal of 50631428 is 82413605.

It is a self number, because there is not a number n which added to its sum of digits gives 50631428.

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, 333026 + ... + 333177.

It is an arithmetic number, because the mean of its divisors is an integer number (7772380).

Almost surely, 2^50631428 is an apocalyptic number.

It is an amenable number.

50631428 is a deficient number, since it is larger than the sum of its proper divisors (42637132).

50631428 is a wasteful number, since it uses less digits than its factorization.

50631428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666226 (or 666224 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 50631428 is about 7115.5764348365. The cubic root of 50631428 is about 369.9474675844.

The spelling of 50631428 in words is "fifty million, six hundred thirty-one thousand, four hundred twenty-eight".