550012643 has 2 divisors, whose sum is σ = 550012644. Its totient is φ = 550012642.

The previous prime is 550012609. The next prime is 550012651. The reversal of 550012643 is 346210055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550012643 - 2¹⁴ = 549996259 is a prime.

It is not a weakly prime, because it can be changed into another prime (550012843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275006321 + 275006322.

It is an arithmetic number, because the mean of its divisors is an integer number (275006322).

Almost surely, 2^550012643 is an apocalyptic number.

550012643 is a deficient number, since it is larger than the sum of its proper divisors (1).

550012643 is an equidigital number, since it uses as much as digits as its factorization.

550012643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 550012643 is about 23452.3483472338. The cubic root of 550012643 is about 819.3275485397.

Adding to 550012643 its reverse (346210055), we get a palindrome (896222698).

The spelling of 550012643 in words is "five hundred fifty million, twelve thousand, six hundred forty-three".