25558848 has 112 divisors (see below), whose sum is σ = 85912960. Its totient is φ = 7299072.

The previous prime is 25558843. The next prime is 25558853. The reversal of 25558848 is 84885552.

25558848 is a `hidden beast` number, since 25 + 5 + 588 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (25558843) and next prime (25558853).

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×25558848² = 1306509422174208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25558843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11040 + ... + 13152.

It is an arithmetic number, because the mean of its divisors is an integer number (767080).

Almost surely, 2^25558848 is an apocalyptic number.

25558848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25558848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42956480).

25558848 is an abundant number, since it is smaller than the sum of its proper divisors (60354112).

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

25558848 is a wasteful number, since it uses less digits than its factorization.

25558848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141 (or 2125 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The square root of 25558848 is about 5055.5759315829. The cubic root of 25558848 is about 294.5645130454.

The spelling of 25558848 in words is "twenty-five million, five hundred fifty-eight thousand, eight hundred forty-eight".