550042271 has 2 divisors, whose sum is σ = 550042272. Its totient is φ = 550042270.

The previous prime is 550042261. The next prime is 550042277. The reversal of 550042271 is 172240055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550042271 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550042271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550042277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275021135 + 275021136.

It is an arithmetic number, because the mean of its divisors is an integer number (275021136).

Almost surely, 2^550042271 is an apocalyptic number.

550042271 is a deficient number, since it is larger than the sum of its proper divisors (1).

550042271 is an equidigital number, since it uses as much as digits as its factorization.

550042271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 550042271 is about 23452.9800025498. The cubic root of 550042271 is about 819.3422600808.

It can be divided in two parts, 55004 and 2271, that added together give a palindrome (57275).

The spelling of 550042271 in words is "five hundred fifty million, forty-two thousand, two hundred seventy-one".