50685 has 16 divisors (see below), whose sum is σ = 84480. Its totient is φ = 25920.

The previous prime is 50683. The next prime is 50707. The reversal of 50685 is 58605.

50685 = 71² + 72² + ... + 79².

It is not a de Polignac number, because 50685 - 2¹ = 50683 is a prime.

50685 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50683) 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, 411 + ... + 519.

It is an arithmetic number, because the mean of its divisors is an integer number (5280).

2⁵⁰⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

50685 is a deficient number, since it is larger than the sum of its proper divisors (33795).

50685 is a wasteful number, since it uses less digits than its factorization.

50685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 50685 is about 225.1332938506. The cubic root of 50685 is about 37.0077899352.

The spelling of 50685 in words is "fifty thousand, six hundred eighty-five".