550643005 has 32 divisors (see below), whose sum is σ = 766309248. Its totient is φ = 375398400.

The previous prime is 550642951. The next prime is 550643029. The reversal of 550643005 is 500346055.

It is not a de Polignac number, because 550643005 - 2¹⁵ = 550610237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 263565 + ... + 265645.

It is an arithmetic number, because the mean of its divisors is an integer number (23947164).

Almost surely, 2^550643005 is an apocalyptic number.

550643005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550643005 is a deficient number, since it is larger than the sum of its proper divisors (215666243).

550643005 is a wasteful number, since it uses less digits than its factorization.

550643005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 550643005 is about 23465.7837073472. The cubic root of 550643005 is about 819.6404357534.

The spelling of 550643005 in words is "five hundred fifty million, six hundred forty-three thousand, five".