553531453549 has 2 divisors, whose sum is σ = 553531453550. Its totient is φ = 553531453548.

The previous prime is 553531453439. The next prime is 553531453577. The reversal of 553531453549 is 945354135355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493707185449 + 59824268100 = 702643^2 + 244590^2 .

It is a cyclic number.

It is not a de Polignac number, because 553531453549 - 2⁹ = 553531453037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 553531453496 and 553531453505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553531451549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276765726774 + 276765726775.

It is an arithmetic number, because the mean of its divisors is an integer number (276765726775).

Almost surely, 2^553531453549 is an apocalyptic number.

It is an amenable number.

553531453549 is a deficient number, since it is larger than the sum of its proper divisors (1).

553531453549 is an equidigital number, since it uses as much as digits as its factorization.

553531453549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150000, while the sum is 52.

The spelling of 553531453549 in words is "five hundred fifty-three billion, five hundred thirty-one million, four hundred fifty-three thousand, five hundred forty-nine".