56587328 has 28 divisors (see below), whose sum is σ = 128332992. Its totient is φ = 24251520.

The previous prime is 56587327. The next prime is 56587351. The reversal of 56587328 is 82378565.

56587328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (56587327) by changing a digit.

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, 62708 + ... + 63603.

Almost surely, 2^56587328 is an apocalyptic number.

It is an amenable number.

56587328 is an abundant number, since it is smaller than the sum of its proper divisors (71745664).

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

56587328 is a wasteful number, since it uses less digits than its factorization.

56587328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126330 (or 126320 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 56587328 is about 7522.4549184425. The cubic root of 56587328 is about 383.9191091187.

The spelling of 56587328 in words is "fifty-six million, five hundred eighty-seven thousand, three hundred twenty-eight".