5521831217653 has 2 divisors, whose sum is σ = 5521831217654. Its totient is φ = 5521831217652.

The previous prime is 5521831217599. The next prime is 5521831217681. The reversal of 5521831217653 is 3567121381255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5521174679524 + 656538129 = 2349718^2 + 25623^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521831217653 - 2¹⁷ = 5521831086581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5521831217597 and 5521831217606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521835217653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760915608826 + 2760915608827.

It is an arithmetic number, because the mean of its divisors is an integer number (2760915608827).

Almost surely, 2^{5521831217653} is an apocalyptic number.

It is an amenable number.

5521831217653 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521831217653 is an equidigital number, since it uses as much as digits as its factorization.

5521831217653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 49.

The spelling of 5521831217653 in words is "five trillion, five hundred twenty-one billion, eight hundred thirty-one million, two hundred seventeen thousand, six hundred fifty-three".