555320625 has 80 divisors (see below), whose sum is σ = 983685120. Its totient is φ = 277992000.

The previous prime is 555320611. The next prime is 555320653. The reversal of 555320625 is 526023555.

It is not a de Polignac number, because 555320625 - 2⁴ = 555320609 is a prime.

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 79 ways as a sum of consecutive naturals, for example, 3406794 + ... + 3406956.

It is an arithmetic number, because the mean of its divisors is an integer number (12296064).

Almost surely, 2^555320625 is an apocalyptic number.

It is an amenable number.

555320625 is a deficient number, since it is larger than the sum of its proper divisors (428364495).

555320625 is a wasteful number, since it uses less digits than its factorization.

555320625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 555320625 is about 23565.2418829088. The cubic root of 555320625 is about 821.9547973912.

The spelling of 555320625 in words is "five hundred fifty-five million, three hundred twenty thousand, six hundred twenty-five".