553215533 has 12 divisors (see below), whose sum is σ = 628782588. Its totient is φ = 483779520.

The previous prime is 553215517. The next prime is 553215557. The reversal of 553215533 is 335512355.

553215533 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 321018889 + 232196644 = 17917^2 + 15238^2 .

It is not a de Polignac number, because 553215533 - 2⁴ = 553215517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553215533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553212533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54248 + ... + 63633.

It is an arithmetic number, because the mean of its divisors is an integer number (52398549).

Almost surely, 2^553215533 is an apocalyptic number.

It is an amenable number.

553215533 is a deficient number, since it is larger than the sum of its proper divisors (75567055).

553215533 is a wasteful number, since it uses less digits than its factorization.

553215533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117932 (or 117913 counting only the distinct ones).

The product of its digits is 33750, while the sum is 32.

The square root of 553215533 is about 23520.5342838975. The cubic root of 553215533 is about 820.9148687545.

Adding to 553215533 its reverse (335512355), we get a palindrome (888727888).

The spelling of 553215533 in words is "five hundred fifty-three million, two hundred fifteen thousand, five hundred thirty-three".