25555448 has 16 divisors (see below), whose sum is σ = 48295680. Its totient is φ = 12676608.

The previous prime is 25555441. The next prime is 25555463. The reversal of 25555448 is 84455552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555441) 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, 11561 + ... + 13592.

It is an arithmetic number, because the mean of its divisors is an integer number (3018480).

Almost surely, 2^25555448 is an apocalyptic number.

It is an amenable number.

25555448 is a deficient number, since it is larger than the sum of its proper divisors (22740232).

25555448 is a wasteful number, since it uses less digits than its factorization.

25555448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25286 (or 25282 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The square root of 25555448 is about 5055.2396580182. The cubic root of 25555448 is about 294.5514508532.

It can be divided in two parts, 2555544 and 8, that added together give a palindrome (2555552).

The spelling of 25555448 in words is "twenty-five million, five hundred fifty-five thousand, four hundred forty-eight".