553421530 has 8 divisors (see below), whose sum is σ = 996158772. Its totient is φ = 221368608.

The previous prime is 553421513. The next prime is 553421537. The reversal of 553421530 is 35124355.

553421530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 535043161 + 18378369 = 23131^2 + 4287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (553421537) 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, 27671067 + ... + 27671086.

Almost surely, 2^553421530 is an apocalyptic number.

553421530 is a deficient number, since it is larger than the sum of its proper divisors (442737242).

553421530 is a wasteful number, since it uses less digits than its factorization.

553421530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55342160.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 553421530 is about 23524.9129647699. The cubic root of 553421530 is about 821.0167488867.

Adding to 553421530 its reverse (35124355), we get a palindrome (588545885).

The spelling of 553421530 in words is "five hundred fifty-three million, four hundred twenty-one thousand, five hundred thirty".