50637881 has 16 divisors (see below), whose sum is σ = 60614400. Its totient is φ = 41361408.

The previous prime is 50637877. The next prime is 50637887. The reversal of 50637881 is 18873605.

It is a cyclic number.

It is not a de Polignac number, because 50637881 - 2² = 50637877 is a prime.

It is a super-2 number, since 2×50637881² = 5128389984340322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50637887) 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 15 ways as a sum of consecutive naturals, for example, 65465 + ... + 66233.

It is an arithmetic number, because the mean of its divisors is an integer number (3788400).

Almost surely, 2^50637881 is an apocalyptic number.

It is an amenable number.

50637881 is a deficient number, since it is larger than the sum of its proper divisors (9976519).

50637881 is a wasteful number, since it uses less digits than its factorization.

50637881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 50637881 is about 7116.0298622195. The cubic root of 50637881 is about 369.9631835780.

The spelling of 50637881 in words is "fifty million, six hundred thirty-seven thousand, eight hundred eighty-one".