56328499 has 4 divisors (see below), whose sum is σ = 56733880. Its totient is φ = 55923120.

The previous prime is 56328491. The next prime is 56328511. The reversal of 56328499 is 99482365.

56328499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56328499 - 2³ = 56328491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56328491) 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, 202482 + ... + 202759.

It is an arithmetic number, because the mean of its divisors is an integer number (14183470).

Almost surely, 2^56328499 is an apocalyptic number.

56328499 is a deficient number, since it is larger than the sum of its proper divisors (405381).

56328499 is a wasteful number, since it uses less digits than its factorization.

56328499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405380.

The product of its digits is 466560, while the sum is 46.

The square root of 56328499 is about 7505.2314421342. The cubic root of 56328499 is about 383.3328689765.

The spelling of 56328499 in words is "fifty-six million, three hundred twenty-eight thousand, four hundred ninety-nine".