1053443328 has 216 divisors, whose sum is σ = 3332766528. Its totient is φ = 289357824.

The previous prime is 1053443327. The next prime is 1053443329. The reversal of 1053443328 is 8233443501.

It is an interprime number because it is at equal distance from previous prime (1053443327) and next prime (1053443329).

It is a super-2 number, since 2×1053443328² = 2219485690615431168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053443323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4521100 + ... + 4521332.

Almost surely, 2^1053443328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053443328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666383264).

1053443328 is an abundant number, since it is smaller than the sum of its proper divisors (2279323200).

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

1053443328 is an equidigital number, since it uses as much as digits as its factorization.

1053443328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1053443328 is about 32456.7917083621. The cubic root of 1053443328 is about 1017.5061877047.

Adding to 1053443328 its reverse (8233443501), we get a palindrome (9286886829).

The spelling of 1053443328 in words is "one billion, fifty-three million, four hundred forty-three thousand, three hundred twenty-eight".