5507540489621 has 2 divisors, whose sum is σ = 5507540489622. Its totient is φ = 5507540489620.

The previous prime is 5507540489593. The next prime is 5507540489641. The reversal of 5507540489621 is 1269840457055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5351958364900 + 155582124721 = 2313430^2 + 394439^2 .

It is a cyclic number.

It is not a de Polignac number, because 5507540489621 - 2³⁰ = 5506466747797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5507540489641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753770244810 + 2753770244811.

It is an arithmetic number, because the mean of its divisors is an integer number (2753770244811).

Almost surely, 2^{5507540489621} is an apocalyptic number.

It is an amenable number.

5507540489621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5507540489621 is an equidigital number, since it uses as much as digits as its factorization.

5507540489621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 56.

The spelling of 5507540489621 in words is "five trillion, five hundred seven billion, five hundred forty million, four hundred eighty-nine thousand, six hundred twenty-one".