50072828251 has 4 divisors (see below), whose sum is σ = 50706661600. Its totient is φ = 49438994904.

The previous prime is 50072828249. The next prime is 50072828261. The reversal of 50072828251 is 15282827005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15282827005 = 5 ⋅3056565401.

It is a cyclic number.

It is not a de Polignac number, because 50072828251 - 2¹ = 50072828249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50072828261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316916556 + ... + 316916713.

It is an arithmetic number, because the mean of its divisors is an integer number (12676665400).

Almost surely, 2^50072828251 is an apocalyptic number.

50072828251 is a deficient number, since it is larger than the sum of its proper divisors (633833349).

50072828251 is an equidigital number, since it uses as much as digits as its factorization.

50072828251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633833348.

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 50072828251 in words is "fifty billion, seventy-two million, eight hundred twenty-eight thousand, two hundred fifty-one".