550611043 has 2 divisors, whose sum is σ = 550611044. Its totient is φ = 550611042.

The previous prime is 550610987. The next prime is 550611059. The reversal of 550611043 is 340116055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550611043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550610999 and 550611017.

It is not a weakly prime, because it can be changed into another prime (550611143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275305521 + 275305522.

It is an arithmetic number, because the mean of its divisors is an integer number (275305522).

Almost surely, 2^550611043 is an apocalyptic number.

550611043 is a deficient number, since it is larger than the sum of its proper divisors (1).

550611043 is an equidigital number, since it uses as much as digits as its factorization.

550611043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 550611043 is about 23465.1026633169. The cubic root of 550611043 is about 819.6245768066.

Adding to 550611043 its reverse (340116055), we get a palindrome (890727098).

The spelling of 550611043 in words is "five hundred fifty million, six hundred eleven thousand, forty-three".