56328478 has 4 divisors (see below), whose sum is σ = 84492720. Its totient is φ = 28164238.

The previous prime is 56328473. The next prime is 56328487. The reversal of 56328478 is 87482365.

56328478 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (56328473) 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 as a sum of consecutive naturals, namely, 14082118 + ... + 14082121.

It is an arithmetic number, because the mean of its divisors is an integer number (21123180).

Almost surely, 2^56328478 is an apocalyptic number.

56328478 is a deficient number, since it is larger than the sum of its proper divisors (28164242).

56328478 is a wasteful number, since it uses less digits than its factorization.

56328478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28164241.

The product of its digits is 322560, while the sum is 43.

The square root of 56328478 is about 7505.2300431099. The cubic root of 56328478 is about 383.3328213394.

The spelling of 56328478 in words is "fifty-six million, three hundred twenty-eight thousand, four hundred seventy-eight".