50251887 has 16 divisors (see below), whose sum is σ = 85082880. Its totient is φ = 28715256.

The previous prime is 50251879. The next prime is 50251913. The reversal of 50251887 is 78815205.

It is not a de Polignac number, because 50251887 - 2³ = 50251879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50251807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132753 + ... + 133130.

It is an arithmetic number, because the mean of its divisors is an integer number (5317680).

Almost surely, 2^50251887 is an apocalyptic number.

50251887 is a deficient number, since it is larger than the sum of its proper divisors (34830993).

50251887 is a wasteful number, since it uses less digits than its factorization.

50251887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265899 (or 265893 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 50251887 is about 7088.8565368471. The cubic root of 50251887 is about 369.0207536744.

The spelling of 50251887 in words is "fifty million, two hundred fifty-one thousand, eight hundred eighty-seven".