550505105 has 16 divisors (see below), whose sum is σ = 673738560. Its totient is φ = 431692608.

The previous prime is 550505083. The next prime is 550505141. The reversal of 550505105 is 501505055.

It is a cyclic number.

It is not a de Polignac number, because 550505105 - 2¹² = 550501009 is a prime.

It is a super-2 number, since 2×550505105² = 606111741262122050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107534 + ... + 112536.

It is an arithmetic number, because the mean of its divisors is an integer number (42108660).

Almost surely, 2^550505105 is an apocalyptic number.

It is an amenable number.

550505105 is a deficient number, since it is larger than the sum of its proper divisors (123233455).

550505105 is a wasteful number, since it uses less digits than its factorization.

550505105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5440.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 550505105 is about 23462.8452025751. The cubic root of 550505105 is about 819.5720079628.

Subtracting from 550505105 its reverse (501505055), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 550505105 in words is "five hundred fifty million, five hundred five thousand, one hundred five".