550081673 has 4 divisors (see below), whose sum is σ = 579033360. Its totient is φ = 521129988.

The previous prime is 550081669. The next prime is 550081681. The reversal of 550081673 is 376180055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550081673 - 2² = 550081669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550081633) 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, 14475815 + ... + 14475852.

It is an arithmetic number, because the mean of its divisors is an integer number (144758340).

Almost surely, 2^550081673 is an apocalyptic number.

It is an amenable number.

550081673 is a deficient number, since it is larger than the sum of its proper divisors (28951687).

550081673 is a wasteful number, since it uses less digits than its factorization.

550081673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28951686.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 550081673 is about 23453.8200086894. The cubic root of 550081673 is about 819.3618240031.

The spelling of 550081673 in words is "five hundred fifty million, eighty-one thousand, six hundred seventy-three".