553421165 has 8 divisors (see below), whose sum is σ = 724478688. Its totient is φ = 402488080.

The previous prime is 553421161. The next prime is 553421171. The reversal of 553421165 is 561124355.

553421165 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 553421165 - 2² = 553421161 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 (553421161) 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, 5031047 + ... + 5031156.

It is an arithmetic number, because the mean of its divisors is an integer number (90559836).

Almost surely, 2^553421165 is an apocalyptic number.

553421165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

553421165 is a deficient number, since it is larger than the sum of its proper divisors (171057523).

553421165 is a wasteful number, since it uses less digits than its factorization.

553421165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10062219.

The product of its digits is 18000, while the sum is 32.

The square root of 553421165 is about 23524.9052070354. The cubic root of 553421165 is about 821.0165683907.

The spelling of 553421165 in words is "five hundred fifty-three million, four hundred twenty-one thousand, one hundred sixty-five".