50851 has 4 divisors (see below), whose sum is σ = 51304. Its totient is φ = 50400.

The previous prime is 50849. The next prime is 50857. The reversal of 50851 is 15805.

50851 is nontrivially palindromic in base 15.

50851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

50851 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

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.

It is a cyclic number.

It is not a de Polignac number, because 50851 - 2¹ = 50849 is a prime.

It is the 226-th Hogben number.

It is a deceptive number, since it divides R₅₀₈₅₀.

It is a Duffinian number.

50851 is an undulating number in base 15.

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 nontrivial repunit in base 225.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 331.

It is an arithmetic number, because the mean of its divisors is an integer number (12826).

2⁵⁰⁸⁵¹ is an apocalyptic number.

50851 is a deficient number, since it is larger than the sum of its proper divisors (453).

50851 is a wasteful number, since it uses less digits than its factorization.

50851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 50851 is about 225.5016629650. The cubic root of 50851 is about 37.0481476913.

The spelling of 50851 in words is "fifty thousand, eight hundred fifty-one".