550434805 has 4 divisors (see below), whose sum is σ = 660521772. Its totient is φ = 440347840.

The previous prime is 550434803. The next prime is 550434809. The reversal of 550434805 is 508434055.

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 76632516 + 473802289 = 8754^2 + 21767^2 .

It is not a de Polignac number, because 550434805 - 2¹ = 550434803 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 (550434803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55043476 + ... + 55043485.

It is an arithmetic number, because the mean of its divisors is an integer number (165130443).

Almost surely, 2^550434805 is an apocalyptic number.

It is an amenable number.

550434805 is a deficient number, since it is larger than the sum of its proper divisors (110086967).

550434805 is a wasteful number, since it uses less digits than its factorization.

550434805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110086966.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 550434805 is about 23461.3470414638. The cubic root of 550434805 is about 819.5371197820.

The spelling of 550434805 in words is "five hundred fifty million, four hundred thirty-four thousand, eight hundred five".