553436308489 has 3 divisors (see below), whose sum is σ = 553437052423. Its totient is φ = 553435564556.

The previous prime is 553436308417. The next prime is 553436308499. The reversal of 553436308489 is 984803634355.

The square root of 553436308489 is 743933.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 984803634355 = 5 ⋅196960726871.

It can be written as a sum of positive squares in only one way, i.e., 454269260025 + 99167048464 = 673995^2 + 314908^2 .

It is not a de Polignac number, because 553436308489 - 2¹¹ = 553436306441 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553436308499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 371967 + ... + 1115899.

Almost surely, 2^553436308489 is an apocalyptic number.

553436308489 is the 743933-rd square number.

553436308489 is the 371967-th centered octagonal number.

It is an amenable number.

553436308489 is a deficient number, since it is larger than the sum of its proper divisors (743934).

553436308489 is an frugal number, since it uses more digits than its factorization.

553436308489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487866 (or 743933 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 58.

The spelling of 553436308489 in words is "five hundred fifty-three billion, four hundred thirty-six million, three hundred eight thousand, four hundred eighty-nine".