50840 has 32 divisors (see below), whose sum is σ = 120960. Its totient is φ = 19200.

The previous prime is 50839. The next prime is 50849. The reversal of 50840 is 4805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220 + ... + 1260.

It is an arithmetic number, because the mean of its divisors is an integer number (3780).

2⁵⁰⁸⁴⁰ 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 50840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60480).

50840 is an abundant number, since it is smaller than the sum of its proper divisors (70120).

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

50840 is a wasteful number, since it uses less digits than its factorization.

50840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 50840 is about 225.4772715819. The cubic root of 50840 is about 37.0454761017.

The spelling of 50840 in words is "fifty thousand, eight hundred forty".