553116533 has 4 divisors (see below), whose sum is σ = 563552748. Its totient is φ = 542680320.

The previous prime is 553116511. The next prime is 553116541. The reversal of 553116533 is 335611355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 446138884 + 106977649 = 21122^2 + 10343^2 .

It is a cyclic number.

It is not a de Polignac number, because 553116533 - 2⁶ = 553116469 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 553116533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553116583) 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, 5218028 + ... + 5218133.

It is an arithmetic number, because the mean of its divisors is an integer number (140888187).

Almost surely, 2^553116533 is an apocalyptic number.

553116533 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

553116533 is a deficient number, since it is larger than the sum of its proper divisors (10436215).

553116533 is a wasteful number, since it uses less digits than its factorization.

553116533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10436214.

The product of its digits is 20250, while the sum is 32.

The square root of 553116533 is about 23518.4296457055. The cubic root of 553116533 is about 820.8658972322.

Adding to 553116533 its reverse (335611355), we get a palindrome (888727888).

The spelling of 553116533 in words is "five hundred fifty-three million, one hundred sixteen thousand, five hundred thirty-three".