553545605 has 8 divisors (see below), whose sum is σ = 664393752. Its totient is φ = 442743808.

The previous prime is 553545599. The next prime is 553545637. The reversal of 553545605 is 506545355.

It can be written as a sum of positive squares in 4 ways, for example, as 210888484 + 342657121 = 14522^2 + 18511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 553545605 - 2¹⁸ = 553283461 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25469 + ... + 41901.

It is an arithmetic number, because the mean of its divisors is an integer number (83049219).

Almost surely, 2^553545605 is an apocalyptic number.

It is an amenable number.

553545605 is a deficient number, since it is larger than the sum of its proper divisors (110848147).

553545605 is a wasteful number, since it uses less digits than its factorization.

553545605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23175.

The product of its (nonzero) digits is 225000, while the sum is 38.

The square root of 553545605 is about 23527.5499149401. The cubic root of 553545605 is about 821.0781005784.

The spelling of 553545605 in words is "five hundred fifty-three million, five hundred forty-five thousand, six hundred five".