550516871 has 4 divisors (see below), whose sum is σ = 558058272. Its totient is φ = 542975472.

The previous prime is 550516859. The next prime is 550516877. The reversal of 550516871 is 178615055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550516871 - 2¹⁴ = 550500487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550516877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3770591 + ... + 3770736.

It is an arithmetic number, because the mean of its divisors is an integer number (139514568).

Almost surely, 2^550516871 is an apocalyptic number.

550516871 is a deficient number, since it is larger than the sum of its proper divisors (7541401).

550516871 is an equidigital number, since it uses as much as digits as its factorization.

550516871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541400.

The product of its (nonzero) digits is 42000, while the sum is 38.

The square root of 550516871 is about 23463.0959380897. The cubic root of 550516871 is about 819.5778468524.

The spelling of 550516871 in words is "five hundred fifty million, five hundred sixteen thousand, eight hundred seventy-one".