56178904 has 16 divisors (see below), whose sum is σ = 105739920. Its totient is φ = 27981600.

The previous prime is 56178893. The next prime is 56178907. The reversal of 56178904 is 40987165.

56178904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56178907) 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, 11247 + ... + 15454.

It is an arithmetic number, because the mean of its divisors is an integer number (6608745).

Almost surely, 2^56178904 is an apocalyptic number.

It is an amenable number.

56178904 is a deficient number, since it is larger than the sum of its proper divisors (49561016).

56178904 is a wasteful number, since it uses less digits than its factorization.

56178904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26970 (or 26966 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 56178904 is about 7495.2587680480. The cubic root of 56178904 is about 382.9932213668.

The spelling of 56178904 in words is "fifty-six million, one hundred seventy-eight thousand, nine hundred four".