56424 has 16 divisors (see below), whose sum is σ = 141120. Its totient is φ = 18800.

The previous prime is 56417. The next prime is 56431. The reversal of 56424 is 42465.

It is a happy number.

56424 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56417) and next prime (56431).

It is a self number, because there is not a number n which added to its sum of digits gives 56424.

It is an unprimeable number.

56424 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 3 ways as a sum of consecutive naturals, for example, 1152 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (8820).

2⁵⁶⁴²⁴ is an apocalyptic number.

It is an amenable number.

56424 is an abundant number, since it is smaller than the sum of its proper divisors (84696).

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 (70560).

56424 is a wasteful number, since it uses less digits than its factorization.

56424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360 (or 2356 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 56424 is about 237.5373654817. The cubic root of 56424 is about 38.3549384614.

Adding to 56424 its reverse (42465), we get a palindrome (98889).

The spelling of 56424 in words is "fifty-six thousand, four hundred twenty-four".