553428309 has 8 divisors (see below), whose sum is σ = 843319360. Its totient is φ = 316244736.

The previous prime is 553428301. The next prime is 553428347. The reversal of 553428309 is 903824355.

553428309 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 not a de Polignac number, because 553428309 - 2³ = 553428301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553428301) 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, 13176844 + ... + 13176885.

It is an arithmetic number, because the mean of its divisors is an integer number (105414920).

Almost surely, 2^553428309 is an apocalyptic number.

It is an amenable number.

553428309 is a deficient number, since it is larger than the sum of its proper divisors (289891051).

553428309 is a wasteful number, since it uses less digits than its factorization.

553428309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26353739.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 553428309 is about 23525.0570456269. The cubic root of 553428309 is about 821.0201011535.

The spelling of 553428309 in words is "five hundred fifty-three million, four hundred twenty-eight thousand, three hundred nine".