50521 has 4 divisors (see below), whose sum is σ = 53200. Its totient is φ = 47844.

The previous prime is 50513. The next prime is 50527. The reversal of 50521 is 12505.

50521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50521 - 2³ = 50513 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (50527) 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, 1311 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (13300).

2⁵⁰⁵²¹ is an apocalyptic number.

It is an amenable number.

50521 is a deficient number, since it is larger than the sum of its proper divisors (2679).

50521 is a wasteful number, since it uses less digits than its factorization.

50521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 50521 is about 224.7687700727. The cubic root of 50521 is about 36.9678317924.

The spelling of 50521 in words is "fifty thousand, five hundred twenty-one".