56113605 has 24 divisors (see below), whose sum is σ = 97974240. Its totient is φ = 29708640.

The previous prime is 56113559. The next prime is 56113613. The reversal of 56113605 is 50631165.

It is a happy number.

56113605 is a `hidden beast` number, since 56 + 1 + 1 + 3 + 605 = 666.

56113605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56113605 - 2⁹ = 56113093 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 1770 + ... + 10740.

It is an arithmetic number, because the mean of its divisors is an integer number (4082260).

Almost surely, 2^56113605 is an apocalyptic number.

It is an amenable number.

56113605 is a deficient number, since it is larger than the sum of its proper divisors (41860635).

56113605 is a wasteful number, since it uses less digits than its factorization.

56113605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121 (or 9118 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 56113605 is about 7490.9014811303. The cubic root of 56113605 is about 382.8447743607.

It can be divided in two parts, 5611 and 3605, that added together give a square (9216 = 96²).

The spelling of 56113605 in words is "fifty-six million, one hundred thirteen thousand, six hundred five".