550159387545641 has 2 divisors, whose sum is σ = 550159387545642. Its totient is φ = 550159387545640.

The previous prime is 550159387545587. The next prime is 550159387545671. The reversal of 550159387545641 is 146545783951055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487077352089241 + 63082035456400 = 22069829^2 + 7942420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550159387545641 is a prime.

It is not a weakly prime, because it can be changed into another prime (550159387545671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275079693772820 + 275079693772821.

It is an arithmetic number, because the mean of its divisors is an integer number (275079693772821).

Almost surely, 2^{550159387545641} is an apocalyptic number.

It is an amenable number.

550159387545641 is a deficient number, since it is larger than the sum of its proper divisors (1).

550159387545641 is an equidigital number, since it uses as much as digits as its factorization.

550159387545641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600000, while the sum is 68.

The spelling of 550159387545641 in words is "five hundred fifty trillion, one hundred fifty-nine billion, three hundred eighty-seven million, five hundred forty-five thousand, six hundred forty-one".