553221024 has 96 divisors (see below), whose sum is σ = 1595220480. Its totient is φ = 167092992.

The previous prime is 553220989. The next prime is 553221073. The reversal of 553221024 is 420122355.

553221024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 553220985 and 553221003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35359 + ... + 48545.

It is an arithmetic number, because the mean of its divisors is an integer number (16616880).

Almost surely, 2^553221024 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 553221024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797610240).

553221024 is an abundant number, since it is smaller than the sum of its proper divisors (1041999456).

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

553221024 is a wasteful number, since it uses less digits than its factorization.

553221024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13242 (or 13234 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 553221024 is about 23520.6510113985. The cubic root of 553221024 is about 820.9175847716.

Adding to 553221024 its reverse (420122355), we get a palindrome (973343379).

The spelling of 553221024 in words is "five hundred fifty-three million, two hundred twenty-one thousand, twenty-four".