25688056 has 16 divisors (see below), whose sum is σ = 50259600. Its totient is φ = 12285504.

The previous prime is 25688041. The next prime is 25688059. The reversal of 25688056 is 65088652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25688059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69621 + ... + 69988.

It is an arithmetic number, because the mean of its divisors is an integer number (3141225).

Almost surely, 2^25688056 is an apocalyptic number.

It is an amenable number.

25688056 is a deficient number, since it is larger than the sum of its proper divisors (24571544).

25688056 is a wasteful number, since it uses less digits than its factorization.

25688056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139638 (or 139634 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 25688056 is about 5068.3385837965. The cubic root of 25688056 is about 295.0600509753.

The spelling of 25688056 in words is "twenty-five million, six hundred eighty-eight thousand, fifty-six".