25855056 has 30 divisors (see below), whose sum is σ = 72358650. Its totient is φ = 8618304.

The previous prime is 25855031. The next prime is 25855111. The reversal of 25855056 is 65055852.

25855056 is a `hidden beast` number, since 2 + 58 + 550 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24206400 + 1648656 = 4920^2 + 1284^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25855056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89631 + ... + 89918.

It is an arithmetic number, because the mean of its divisors is an integer number (2411955).

Almost surely, 2^25855056 is an apocalyptic number.

It is an amenable number.

25855056 is an abundant number, since it is smaller than the sum of its proper divisors (46503594).

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

25855056 is a wasteful number, since it uses less digits than its factorization.

25855056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179563 (or 179554 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 25855056 is about 5084.7867211910. The cubic root of 25855056 is about 295.6980729452.

The spelling of 25855056 in words is "twenty-five million, eight hundred fifty-five thousand, fifty-six".