5553021525449 has 2 divisors, whose sum is σ = 5553021525450. Its totient is φ = 5553021525448.

The previous prime is 5553021525439. The next prime is 5553021525479. The reversal of 5553021525449 is 9445251203555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5065582969225 + 487438556224 = 2250685^2 + 698168^2 .

It is a cyclic number.

It is not a de Polignac number, because 5553021525449 - 2²⁴ = 5553004748233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5553021525397 and 5553021525406.

It is not a weakly prime, because it can be changed into another prime (5553021525439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2776510762724 + 2776510762725.

It is an arithmetic number, because the mean of its divisors is an integer number (2776510762725).

Almost surely, 2^{5553021525449} is an apocalyptic number.

It is an amenable number.

5553021525449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5553021525449 is an equidigital number, since it uses as much as digits as its factorization.

5553021525449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400000, while the sum is 50.

The spelling of 5553021525449 in words is "five trillion, five hundred fifty-three billion, twenty-one million, five hundred twenty-five thousand, four hundred forty-nine".