56535428 has 12 divisors (see below), whose sum is σ = 98998620. Its totient is φ = 28250112.

The previous prime is 56535389. The next prime is 56535439. The reversal of 56535428 is 82453565.

56535428 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 2 ways, for example, as 17572864 + 38962564 = 4192^2 + 6242^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56535391 and 56535400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5108 + ... + 11796.

It is an arithmetic number, because the mean of its divisors is an integer number (8249885).

Almost surely, 2^56535428 is an apocalyptic number.

It is an amenable number.

56535428 is a deficient number, since it is larger than the sum of its proper divisors (42463192).

56535428 is a wasteful number, since it uses less digits than its factorization.

56535428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8806 (or 8804 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 56535428 is about 7519.0044553784. The cubic root of 56535428 is about 383.8017006387.

The spelling of 56535428 in words is "fifty-six million, five hundred thirty-five thousand, four hundred twenty-eight".