5550056116681 has 2 divisors, whose sum is σ = 5550056116682. Its totient is φ = 5550056116680.

The previous prime is 5550056116643. The next prime is 5550056116691. The reversal of 5550056116681 is 1866116500555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5455302964281 + 94753152400 = 2335659^2 + 307820^2 .

It is a cyclic number.

It is not a de Polignac number, because 5550056116681 - 2⁹ = 5550056116169 is a prime.

It is a super-2 number, since 2×5550056116681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5550056116691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775028058340 + 2775028058341.

It is an arithmetic number, because the mean of its divisors is an integer number (2775028058341).

Almost surely, 2^{5550056116681} is an apocalyptic number.

It is an amenable number.

5550056116681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550056116681 is an equidigital number, since it uses as much as digits as its factorization.

5550056116681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 49.

The spelling of 5550056116681 in words is "five trillion, five hundred fifty billion, fifty-six million, one hundred sixteen thousand, six hundred eighty-one".