550451644543 has 2 divisors, whose sum is σ = 550451644544. Its totient is φ = 550451644542.

The previous prime is 550451644493. The next prime is 550451644549. The reversal of 550451644543 is 345446154055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550451644543 - 2²⁵ = 550418090111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550451644493 and 550451644502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550451644549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275225822271 + 275225822272.

It is an arithmetic number, because the mean of its divisors is an integer number (275225822272).

Almost surely, 2^550451644543 is an apocalyptic number.

550451644543 is a deficient number, since it is larger than the sum of its proper divisors (1).

550451644543 is an equidigital number, since it uses as much as digits as its factorization.

550451644543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880000, while the sum is 46.

Adding to 550451644543 its reverse (345446154055), we get a palindrome (895897798598).

The spelling of 550451644543 in words is "five hundred fifty billion, four hundred fifty-one million, six hundred forty-four thousand, five hundred forty-three".