56171704 has 16 divisors (see below), whose sum is σ = 109901520. Its totient is φ = 26864640.

The previous prime is 56171701. The next prime is 56171711. The reversal of 56171704 is 40717165.

56171704 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 (56171701) 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, 152457 + ... + 152824.

It is an arithmetic number, because the mean of its divisors is an integer number (6868845).

Almost surely, 2^56171704 is an apocalyptic number.

It is an amenable number.

56171704 is a deficient number, since it is larger than the sum of its proper divisors (53729816).

56171704 is a wasteful number, since it uses less digits than its factorization.

56171704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305310 (or 305306 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 56171704 is about 7494.7784490270. The cubic root of 56171704 is about 382.9768589436.

Adding to 56171704 its reverse (40717165), we get a palindrome (96888869).

The spelling of 56171704 in words is "fifty-six million, one hundred seventy-one thousand, seven hundred four".