56069904 has 80 divisors (see below), whose sum is σ = 159704064. Its totient is φ = 16809600.

The previous prime is 56069899. The next prime is 56069921. The reversal of 56069904 is 40996065.

56069904 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 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 15 ways as a sum of consecutive naturals, for example, 53869 + ... + 54899.

Almost surely, 2^56069904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56069904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79852032).

56069904 is an abundant number, since it is smaller than the sum of its proper divisors (103634160).

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

56069904 is a wasteful number, since it uses less digits than its factorization.

56069904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 56069904 is about 7487.9839743418. The cubic root of 56069904 is about 382.7453626724.

The spelling of 56069904 in words is "fifty-six million, sixty-nine thousand, nine hundred four".