50691 has 8 divisors (see below), whose sum is σ = 68944. Its totient is φ = 33120.

The previous prime is 50683. The next prime is 50707. The reversal of 50691 is 19605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50691 - 2³ = 50683 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 321.

It is an arithmetic number, because the mean of its divisors is an integer number (8618).

2⁵⁰⁶⁹¹ is an apocalyptic number.

50691 is a deficient number, since it is larger than the sum of its proper divisors (18253).

50691 is a wasteful number, since it uses less digits than its factorization.

50691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 50691 is about 225.1466188953. The cubic root of 50691 is about 37.0092501830.

It can be divided in two parts, 50 and 691, that added together give a triangular number (741 = T₃₈).

The spelling of 50691 in words is "fifty thousand, six hundred ninety-one".