50436 has 24 divisors (see below), whose sum is σ = 131040. Its totient is φ = 16776.

The previous prime is 50423. The next prime is 50441. The reversal of 50436 is 63405.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an unprimeable number.

50436 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126 + ... + 341.

It is an arithmetic number, because the mean of its divisors is an integer number (5460).

2⁵⁰⁴³⁶ is an apocalyptic number.

It is an amenable number.

50436 is an abundant number, since it is smaller than the sum of its proper divisors (80604).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65520).

50436 is a wasteful number, since it uses less digits than its factorization.

50436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 50436 is about 224.5796072666. The cubic root of 50436 is about 36.9470877479.

The spelling of 50436 in words is "fifty thousand, four hundred thirty-six".