56020 has 12 divisors (see below), whose sum is σ = 117684. Its totient is φ = 22400.

The previous prime is 56009. The next prime is 56039. The reversal of 56020 is 2065.

It can be written as a sum of positive squares in 2 ways, for example, as 24336 + 31684 = 156^2 + 178^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (9807).

2⁵⁶⁰²⁰ is an apocalyptic number.

It is an amenable number.

56020 is an abundant number, since it is smaller than the sum of its proper divisors (61664).

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 (58842).

56020 is a wasteful number, since it uses less digits than its factorization.

56020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 56020 is about 236.6854452644. The cubic root of 56020 is about 38.2631777114.

Adding to 56020 its reverse (2065), we get a palindrome (58085).

The spelling of 56020 in words is "fifty-six thousand, twenty".