50728099 has 4 divisors (see below), whose sum is σ = 50807880. Its totient is φ = 50648320.

The previous prime is 50728079. The next prime is 50728103. The reversal of 50728099 is 99082705.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50728099 - 2²³ = 42339491 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50728079) 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, 38929 + ... + 40210.

It is an arithmetic number, because the mean of its divisors is an integer number (12701970).

Almost surely, 2^50728099 is an apocalyptic number.

50728099 is a deficient number, since it is larger than the sum of its proper divisors (79781).

50728099 is an equidigital number, since it uses as much as digits as its factorization.

50728099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79780.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 50728099 is about 7122.3661096577. The cubic root of 50728099 is about 370.1827658052.

The spelling of 50728099 in words is "fifty million, seven hundred twenty-eight thousand, ninety-nine".