25055648 has 48 divisors (see below), whose sum is σ = 52436160. Its totient is φ = 11759616.

The previous prime is 25055647. The next prime is 25055651. The reversal of 25055648 is 84655052.

It is not an unprimeable number, because it can be changed into a prime (25055647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43136 + ... + 43712.

It is an arithmetic number, because the mean of its divisors is an integer number (1092420).

Almost surely, 2^25055648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25055648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26218080).

25055648 is an abundant number, since it is smaller than the sum of its proper divisors (27380512).

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

25055648 is a wasteful number, since it uses less digits than its factorization.

25055648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 25055648 is about 5005.5617067418. The cubic root of 25055648 is about 292.6185673645.

The spelling of 25055648 in words is "twenty-five million, fifty-five thousand, six hundred forty-eight".