25544552 has 32 divisors (see below), whose sum is σ = 52704000. Its totient is φ = 11606320.

The previous prime is 25544539. The next prime is 25544573.

25544552 is nontrivially palindromic in base 10.

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, 9449 + ... + 11847.

It is an arithmetic number, because the mean of its divisors is an integer number (1647000).

Almost surely, 2^25544552 is an apocalyptic number.

25544552 is a gapful number since it is divisible by the number (22) 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 25544552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26352000).

25544552 is an abundant number, since it is smaller than the sum of its proper divisors (27159448).

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

25544552 is a wasteful number, since it uses less digits than its factorization.

25544552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438 (or 2412 counting only the distinct ones).

The product of its digits is 40000, while the sum is 32.

The square root of 25544552 is about 5054.1618494069. The cubic root of 25544552 is about 294.5095825615.

The spelling of 25544552 in words is "twenty-five million, five hundred forty-four thousand, five hundred fifty-two".