553630565 has 4 divisors (see below), whose sum is σ = 664356684. Its totient is φ = 442904448.

The previous prime is 553630549. The next prime is 553630573. The reversal of 553630565 is 565036355.

It is a happy number.

553630565 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183683809 + 369946756 = 13553^2 + 19234^2 .

It is a cyclic number.

It is not a de Polignac number, because 553630565 - 2⁴ = 553630549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55363052 + ... + 55363061.

It is an arithmetic number, because the mean of its divisors is an integer number (166089171).

Almost surely, 2^553630565 is an apocalyptic number.

It is an amenable number.

553630565 is a deficient number, since it is larger than the sum of its proper divisors (110726119).

553630565 is a wasteful number, since it uses less digits than its factorization.

553630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110726118.

The product of its (nonzero) digits is 202500, while the sum is 38.

The square root of 553630565 is about 23529.3553885354. The cubic root of 553630565 is about 821.1201056852.

The spelling of 553630565 in words is "five hundred fifty-three million, six hundred thirty thousand, five hundred sixty-five".