55604025 has 36 divisors (see below), whose sum is σ = 105458652. Its totient is φ = 27909120.

The previous prime is 55604011. The next prime is 55604033. The reversal of 55604025 is 52040655.

55604025 is a `hidden beast` number, since 55 + 604 + 0 + 2 + 5 = 666.

55604025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 962361 + 54641664 = 981^2 + 7392^2 .

It is not a de Polignac number, because 55604025 - 2⁴ = 55604009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55604025.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 3444 + ... + 11093.

It is an arithmetic number, because the mean of its divisors is an integer number (2929407).

Almost surely, 2^55604025 is an apocalyptic number.

It is an amenable number.

55604025 is a deficient number, since it is larger than the sum of its proper divisors (49854627).

55604025 is a wasteful number, since it uses less digits than its factorization.

55604025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14570 (or 14562 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 55604025 is about 7456.8106453094. The cubic root of 55604025 is about 381.6823492557.

The spelling of 55604025 in words is "fifty-five million, six hundred four thousand, twenty-five".