5505555560537 has 2 divisors, whose sum is σ = 5505555560538. Its totient is φ = 5505555560536.

The previous prime is 5505555560509. The next prime is 5505555560567. The reversal of 5505555560537 is 7350655555055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5297634152281 + 207921408256 = 2301659^2 + 455984^2 .

It is a cyclic number.

It is not a de Polignac number, because 5505555560537 - 2¹² = 5505555556441 is a prime.

It is a super-2 number, since 2×5505555560537² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5505555560507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752777780268 + 2752777780269.

It is an arithmetic number, because the mean of its divisors is an integer number (2752777780269).

Almost surely, 2^{5505555560537} is an apocalyptic number.

It is an amenable number.

5505555560537 is a deficient number, since it is larger than the sum of its proper divisors (1).

5505555560537 is an equidigital number, since it uses as much as digits as its factorization.

5505555560537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49218750, while the sum is 56.

The spelling of 5505555560537 in words is "five trillion, five hundred five billion, five hundred fifty-five million, five hundred sixty thousand, five hundred thirty-seven".