50651251 has 12 divisors (see below), whose sum is σ = 59048352. Its totient is φ = 43321488.

The previous prime is 50651239. The next prime is 50651257. The reversal of 50651251 is 15215605.

It is not a de Polignac number, because 50651251 - 2⁵ = 50651219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50651257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31206 + ... + 32788.

It is an arithmetic number, because the mean of its divisors is an integer number (4920696).

Almost surely, 2^50651251 is an apocalyptic number.

50651251 is a deficient number, since it is larger than the sum of its proper divisors (8397101).

50651251 is a wasteful number, since it uses less digits than its factorization.

50651251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 50651251 is about 7116.9692285410. The cubic root of 50651251 is about 369.9957413681.

Adding to 50651251 its reverse (15215605), we get a palindrome (65866856).

The spelling of 50651251 in words is "fifty million, six hundred fifty-one thousand, two hundred fifty-one".