553628317 has 4 divisors (see below), whose sum is σ = 603958176. Its totient is φ = 503298460.

The previous prime is 553628297. The next prime is 553628321. The reversal of 553628317 is 713826355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553628317 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553628317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553628017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25164913 + ... + 25164934.

It is an arithmetic number, because the mean of its divisors is an integer number (150989544).

Almost surely, 2^553628317 is an apocalyptic number.

It is an amenable number.

553628317 is a deficient number, since it is larger than the sum of its proper divisors (50329859).

553628317 is a wasteful number, since it uses less digits than its factorization.

553628317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50329858.

The product of its digits is 151200, while the sum is 40.

The square root of 553628317 is about 23529.3076183725. The cubic root of 553628317 is about 821.1189943060.

The spelling of 553628317 in words is "five hundred fifty-three million, six hundred twenty-eight thousand, three hundred seventeen".