25554152 has 48 divisors (see below), whose sum is σ = 53263980. Its totient is φ = 11481600.

The previous prime is 25554103. The next prime is 25554157. The reversal of 25554152 is 25145552.

It can be written as a sum of positive squares in 6 ways, for example, as 11236 + 25542916 = 106^2 + 5054^2 .

It is not an unprimeable number, because it can be changed into a prime (25554157) 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 11 ways as a sum of consecutive naturals, for example, 55202 + ... + 55662.

Almost surely, 2^25554152 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 25554152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26631990).

25554152 is an abundant number, since it is smaller than the sum of its proper divisors (27709828).

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

25554152 is a wasteful number, since it uses less digits than its factorization.

25554152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 517 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 25554152 is about 5055.1114725592. Note that the first 3 decimals coincide. The cubic root of 25554152 is about 294.5464715479.

The spelling of 25554152 in words is "twenty-five million, five hundred fifty-four thousand, one hundred fifty-two".