50140 has 24 divisors (see below), whose sum is σ = 110880. Its totient is φ = 19008.

The previous prime is 50131. The next prime is 50147. The reversal of 50140 is 4105.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50147) by changing a digit.

50140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406 + ... + 514.

It is an arithmetic number, because the mean of its divisors is an integer number (4620).

2⁵⁰¹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55440).

50140 is an abundant number, since it is smaller than the sum of its proper divisors (60740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50140 is a wasteful number, since it uses less digits than its factorization.

50140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 50140 is about 223.9196284384. The cubic root of 50140 is about 36.8746672382.

Adding to 50140 its reverse (4105), we get a palindrome (54245).

It can be divided in two parts, 50 and 140, that added together give a triangular number (190 = T₁₉).

The spelling of 50140 in words is "fifty thousand, one hundred forty".