550710161 has 4 divisors (see below), whose sum is σ = 550969524. Its totient is φ = 550450800.

The previous prime is 550710103. The next prime is 550710163. The reversal of 550710161 is 161017055.

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

It can be written as a sum of positive squares in 2 ways, for example, as 467900161 + 82810000 = 21631^2 + 9100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550710161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 550710161.

It is not an unprimeable number, because it can be changed into a prime (550710163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126470 + ... + 130751.

It is an arithmetic number, because the mean of its divisors is an integer number (137742381).

Almost surely, 2^550710161 is an apocalyptic number.

It is an amenable number.

550710161 is a deficient number, since it is larger than the sum of its proper divisors (259363).

550710161 is a wasteful number, since it uses less digits than its factorization.

550710161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259362.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 550710161 is about 23467.2145982432. The cubic root of 550710161 is about 819.6737553059.

The spelling of 550710161 in words is "five hundred fifty million, seven hundred ten thousand, one hundred sixty-one".