25552408 has 16 divisors (see below), whose sum is σ = 54755280. Its totient is φ = 10951008.

The previous prime is 25552399. The next prime is 25552427. The reversal of 25552408 is 80425552.

It is a self number, because there is not a number n which added to its sum of digits gives 25552408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228091 + ... + 228202.

It is an arithmetic number, because the mean of its divisors is an integer number (3422205).

Almost surely, 2^25552408 is an apocalyptic number.

25552408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25552408 is an abundant number, since it is smaller than the sum of its proper divisors (29202872).

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

25552408 is a wasteful number, since it uses less digits than its factorization.

25552408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456306 (or 456302 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 25552408 is about 5054.9389709471. The cubic root of 25552408 is about 294.5397707355.

The spelling of 25552408 in words is "twenty-five million, five hundred fifty-two thousand, four hundred eight".