50140251 has 12 divisors (see below), whose sum is σ = 82771312. Its totient is φ = 28651536.

The previous prime is 50140249. The next prime is 50140261. The reversal of 50140251 is 15204105.

It is not a de Polignac number, because 50140251 - 2¹ = 50140249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50140201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397876 + ... + 398001.

Almost surely, 2^50140251 is an apocalyptic number.

50140251 is a deficient number, since it is larger than the sum of its proper divisors (32631061).

50140251 is a wasteful number, since it uses less digits than its factorization.

50140251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795890 (or 795887 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 50140251 is about 7080.9781104025. The cubic root of 50140251 is about 368.7472876943.

Adding to 50140251 its reverse (15204105), we get a palindrome (65344356).

The spelling of 50140251 in words is "fifty million, one hundred forty thousand, two hundred fifty-one".