25606055 has 4 divisors (see below), whose sum is σ = 30727272. Its totient is φ = 20484840.

The previous prime is 25606051. The next prime is 25606057. The reversal of 25606055 is 55060652.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25606055 - 2² = 25606051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25606051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560601 + ... + 2560610.

It is an arithmetic number, because the mean of its divisors is an integer number (7681818).

Almost surely, 2^25606055 is an apocalyptic number.

25606055 is a deficient number, since it is larger than the sum of its proper divisors (5121217).

25606055 is an equidigital number, since it uses as much as digits as its factorization.

25606055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121216.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 25606055 is about 5060.2425831179. The cubic root of 25606055 is about 294.7457543207.

The spelling of 25606055 in words is "twenty-five million, six hundred six thousand, fifty-five".