550655 has 8 divisors (see below), whose sum is σ = 755232. Its totient is φ = 377568.

The previous prime is 550651. The next prime is 550657. The reversal of 550655 is 556055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550655 - 2² = 550651 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550651) 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 7 ways as a sum of consecutive naturals, for example, 7832 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (94404).

2⁵⁵⁰⁶⁵⁵ is an apocalyptic number.

550655 is a deficient number, since it is larger than the sum of its proper divisors (204577).

550655 is a wasteful number, since it uses less digits than its factorization.

550655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15745.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 550655 is about 742.0613182211. The cubic root of 550655 is about 81.9646387290.

The spelling of 550655 in words is "five hundred fifty thousand, six hundred fifty-five".