50494728 has 64 divisors (see below), whose sum is σ = 130616640. Its totient is φ = 16257024.

The previous prime is 50494727. The next prime is 50494733. The reversal of 50494728 is 82749405.

It is not an unprimeable number, because it can be changed into a prime (50494727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116400 + ... + 116832.

It is an arithmetic number, because the mean of its divisors is an integer number (2040885).

Almost surely, 2^50494728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50494728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65308320).

50494728 is an abundant number, since it is smaller than the sum of its proper divisors (80121912).

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

50494728 is a wasteful number, since it uses less digits than its factorization.

50494728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 50494728 is about 7105.9642554688. The cubic root of 50494728 is about 369.6142266033.

The spelling of 50494728 in words is "fifty million, four hundred ninety-four thousand, seven hundred twenty-eight".