550565655 has 16 divisors (see below), whose sum is σ = 932723424. Its totient is φ = 276362240.

The previous prime is 550565629. The next prime is 550565663. The reversal of 550565655 is 556565055.

550565655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550565655 - 2⁸ = 550565399 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 1079286 + ... + 1079795.

It is an arithmetic number, because the mean of its divisors is an integer number (58295214).

Almost surely, 2^550565655 is an apocalyptic number.

550565655 is a deficient number, since it is larger than the sum of its proper divisors (382157769).

550565655 is a wasteful number, since it uses less digits than its factorization.

550565655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159106.

The product of its (nonzero) digits is 562500, while the sum is 42.

The square root of 550565655 is about 23464.1355050639. The cubic root of 550565655 is about 819.6020550749.

The spelling of 550565655 in words is "five hundred fifty million, five hundred sixty-five thousand, six hundred fifty-five".