50887 has 4 divisors (see below), whose sum is σ = 51376. Its totient is φ = 50400.
The previous prime is 50873. The next prime is 50891. The reversal of 50887 is 78805.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78805 = 5 ⋅15761.
It is a cyclic number.
It is not a de Polignac number, because 50887 - 215 = 18119 is a prime.
It is a Duffinian number.
50887 is a lucky number.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50857) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 319.
It is an arithmetic number, because the mean of its divisors is an integer number (12844).
250887 is an apocalyptic number.
50887 is a deficient number, since it is larger than the sum of its proper divisors (489).
50887 is a wasteful number, since it uses less digits than its factorization.
50887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488.
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 50887 is about 225.5814708703. The cubic root of 50887 is about 37.0568883827.
It can be divided in two parts, 508 and 87, that added together give a palindrome (595).
The spelling of 50887 in words is "fifty thousand, eight hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.031 sec. • engine limits •