50001728 has 28 divisors (see below), whose sum is σ = 113397792. Its totient is φ = 21429120.

The previous prime is 50001727. The next prime is 50001781. The reversal of 50001728 is 82710005.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50001727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55358 + ... + 56253.

Almost surely, 2^50001728 is an apocalyptic number.

It is an amenable number.

50001728 is an abundant number, since it is smaller than the sum of its proper divisors (63396064).

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

50001728 is a wasteful number, since it uses less digits than its factorization.

50001728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111630 (or 111620 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 50001728 is about 7071.1899988616. The cubic root of 50001728 is about 368.4073938194.

The spelling of 50001728 in words is "fifty million, one thousand, seven hundred twenty-eight".