25056655 has 16 divisors (see below), whose sum is σ = 32495904. Its totient is φ = 18437760.

The previous prime is 25056653. The next prime is 25056671. The reversal of 25056655 is 55665052.

It is a happy number.

It is not a de Polignac number, because 25056655 - 2¹ = 25056653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25056655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25056653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25320 + ... + 26290.

It is an arithmetic number, because the mean of its divisors is an integer number (2030994).

Almost surely, 2^25056655 is an apocalyptic number.

25056655 is a deficient number, since it is larger than the sum of its proper divisors (7439249).

25056655 is a wasteful number, since it uses less digits than its factorization.

25056655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 25056655 is about 5005.6622938428. The cubic root of 25056655 is about 292.6224874780.

The spelling of 25056655 in words is "twenty-five million, fifty-six thousand, six hundred fifty-five".