56028520 has 32 divisors (see below), whose sum is σ = 126311400. Its totient is φ = 22367488.

The previous prime is 56028503. The next prime is 56028521. The reversal of 56028520 is 2582065.

It can be written as a sum of positive squares in 4 ways, for example, as 51179716 + 4848804 = 7154^2 + 2202^2 .

It is not an unprimeable number, because it can be changed into a prime (56028521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26046 + ... + 28114.

Almost surely, 2^56028520 is an apocalyptic number.

It is an amenable number.

56028520 is an abundant number, since it is smaller than the sum of its proper divisors (70282880).

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

56028520 is a wasteful number, since it uses less digits than its factorization.

56028520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 56028520 is about 7485.2201036442. The cubic root of 56028520 is about 382.6511741001.

The spelling of 56028520 in words is "fifty-six million, twenty-eight thousand, five hundred twenty".