50648251 has 4 divisors (see below), whose sum is σ = 50668632. Its totient is φ = 50627872.

The previous prime is 50648249. The next prime is 50648263. The reversal of 50648251 is 15284605.

50648251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50648251 - 2¹ = 50648249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50648201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5845 + ... + 11638.

It is an arithmetic number, because the mean of its divisors is an integer number (12667158).

Almost surely, 2^50648251 is an apocalyptic number.

50648251 is a deficient number, since it is larger than the sum of its proper divisors (20381).

50648251 is a wasteful number, since it uses less digits than its factorization.

50648251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20380.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 50648251 is about 7116.7584615469. The cubic root of 50648251 is about 369.9884364538.

The spelling of 50648251 in words is "fifty million, six hundred forty-eight thousand, two hundred fifty-one".