25550048 has 48 divisors (see below), whose sum is σ = 54132624. Its totient is φ = 11827200.

The previous prime is 25550039. The next prime is 25550059. The reversal of 25550048 is 84005552.

It is a self number, because there is not a number n which added to its sum of digits gives 25550048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36098 + ... + 36798.

It is an arithmetic number, because the mean of its divisors is an integer number (1127763).

Almost surely, 2^25550048 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 25550048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27066312).

25550048 is an abundant number, since it is smaller than the sum of its proper divisors (28582576).

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

25550048 is a wasteful number, since it uses less digits than its factorization.

25550048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 25550048 is about 5054.7055304933. The cubic root of 25550048 is about 294.5307026370.

The spelling of 25550048 in words is "twenty-five million, five hundred fifty thousand, forty-eight".