56528 has 10 divisors (see below), whose sum is σ = 109554. Its totient is φ = 28256.

The previous prime is 56527. The next prime is 56531. The reversal of 56528 is 82565.

56528 is nontrivially palindromic in base 3.

56528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53824 + 2704 = 232^2 + 52^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56497 and 56506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751 + ... + 1782.

2⁵⁶⁵²⁸ is an apocalyptic number.

It is an amenable number.

56528 is a deficient number, since it is larger than the sum of its proper divisors (53026).

56528 is a wasteful number, since it uses less digits than its factorization.

56528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541 (or 3535 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 56528 is about 237.7561776274. The cubic root of 56528 is about 38.3784891097.

It can be divided in two parts, 5 and 6528, that multiplied together give a triangular number (32640 = T₂₅₅).

The spelling of 56528 in words is "fifty-six thousand, five hundred twenty-eight".