25553255 has 48 divisors (see below), whose sum is σ = 39299904. Its totient is φ = 15805440.

The previous prime is 25553243. The next prime is 25553279. The reversal of 25553255 is 55235552.

It is not a de Polignac number, because 25553255 - 2⁸ = 25552999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226079 + ... + 226191.

It is an arithmetic number, because the mean of its divisors is an integer number (818748).

Almost surely, 2^25553255 is an apocalyptic number.

25553255 is a deficient number, since it is larger than the sum of its proper divisors (13746649).

25553255 is a wasteful number, since it uses less digits than its factorization.

25553255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 209 counting only the distinct ones).

The product of its digits is 37500, while the sum is 32.

The square root of 25553255 is about 5055.0227497015. The cubic root of 25553255 is about 294.5430251245.

The spelling of 25553255 in words is "twenty-five million, five hundred fifty-three thousand, two hundred fifty-five".