553232730 has 16 divisors (see below), whose sum is σ = 1327758624. Its totient is φ = 147528720.

The previous prime is 553232689. The next prime is 553232749. The reversal of 553232730 is 37232355.

553232730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 18441091 = 553232730 / (5 + 5 + 3 + 2 + 3 + 2 + 7 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9220516 + ... + 9220575.

It is an arithmetic number, because the mean of its divisors is an integer number (82984914).

Almost surely, 2^553232730 is an apocalyptic number.

553232730 is an abundant number, since it is smaller than the sum of its proper divisors (774525894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553232730 is a wasteful number, since it uses less digits than its factorization.

553232730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18441101.

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 553232730 is about 23520.8998552351. The cubic root of 553232730 is about 820.9233748586.

The spelling of 553232730 in words is "five hundred fifty-three million, two hundred thirty-two thousand, seven hundred thirty".