553300643 has 8 divisors (see below), whose sum is σ = 643061760. Its totient is φ = 466219080.

The previous prime is 553300637. The next prime is 553300661. The reversal of 553300643 is 346003355.

It is a happy number.

553300643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 553300643 - 2²⁰ = 552252067 is a prime.

It is a super-2 number, since 2×553300643² = 612283203088426898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553300603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669443 + ... + 670268.

It is an arithmetic number, because the mean of its divisors is an integer number (80382720).

Almost surely, 2^553300643 is an apocalyptic number.

553300643 is a deficient number, since it is larger than the sum of its proper divisors (89761117).

553300643 is a wasteful number, since it uses less digits than its factorization.

553300643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339777.

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 553300643 is about 23522.3434844405. The cubic root of 553300643 is about 820.9569647536.

Adding to 553300643 its reverse (346003355), we get a palindrome (899303998).

The spelling of 553300643 in words is "five hundred fifty-three million, three hundred thousand, six hundred forty-three".