50645 has 8 divisors (see below), whose sum is σ = 69504. Its totient is φ = 34704.

The previous prime is 50627. The next prime is 50647. The reversal of 50645 is 54605.

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

It is a cyclic number.

It is not a de Polignac number, because 50645 - 2⁶ = 50581 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50647) 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, 689 + ... + 758.

It is an arithmetic number, because the mean of its divisors is an integer number (8688).

2⁵⁰⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

50645 is a deficient number, since it is larger than the sum of its proper divisors (18859).

50645 is a wasteful number, since it uses less digits than its factorization.

50645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50645 is about 225.0444400557. The cubic root of 50645 is about 36.9980520036.

Subtracting from 50645 its sum of digits (20), we obtain a 4-th power (50625 = 15⁴).

The spelling of 50645 in words is "fifty thousand, six hundred forty-five".