553216369 has 4 divisors (see below), whose sum is σ = 582333040. Its totient is φ = 524099700.

The previous prime is 553216361. The next prime is 553216379. The reversal of 553216369 is 963612355.

It is a happy number.

553216369 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 553216369 - 2³ = 553216361 is a prime.

It is a super-2 number, since 2×553216369² = 612096701859088322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553216361) 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, 14558307 + ... + 14558344.

It is an arithmetic number, because the mean of its divisors is an integer number (145583260).

Almost surely, 2^553216369 is an apocalyptic number.

It is an amenable number.

553216369 is a deficient number, since it is larger than the sum of its proper divisors (29116671).

553216369 is a wasteful number, since it uses less digits than its factorization.

553216369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29116670.

The product of its digits is 145800, while the sum is 40.

The square root of 553216369 is about 23520.5520555960. The cubic root of 553216369 is about 820.9152822669.

The spelling of 553216369 in words is "five hundred fifty-three million, two hundred sixteen thousand, three hundred sixty-nine".