25552104 has 16 divisors (see below), whose sum is σ = 63880320. Its totient is φ = 8517360.

The previous prime is 25552099. The next prime is 25552123. The reversal of 25552104 is 40125552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1064671 = 25552104 / (2 + 5 + 5 + 5 + 2 + 1 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532312 + ... + 532359.

It is an arithmetic number, because the mean of its divisors is an integer number (3992520).

Almost surely, 2^25552104 is an apocalyptic number.

25552104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25552104 is an abundant number, since it is smaller than the sum of its proper divisors (38328216).

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

25552104 is a wasteful number, since it uses less digits than its factorization.

25552104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064680 (or 1064676 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 25552104 is about 5054.9089012563. The cubic root of 25552104 is about 294.5386026728.

Adding to 25552104 its reverse (40125552), we get a palindrome (65677656).

The spelling of 25552104 in words is "twenty-five million, five hundred fifty-two thousand, one hundred four".