550655605 has 8 divisors (see below), whose sum is σ = 661395672. Its totient is φ = 440118528.

The previous prime is 550655603. The next prime is 550655621. The reversal of 550655605 is 506556055.

It can be written as a sum of positive squares in 4 ways, for example, as 22667121 + 527988484 = 4761^2 + 22978^2 .

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 550655605 - 2¹ = 550655603 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 (550655603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44712 + ... + 55681.

It is an arithmetic number, because the mean of its divisors is an integer number (82674459).

Almost surely, 2^550655605 is an apocalyptic number.

It is an amenable number.

550655605 is a deficient number, since it is larger than the sum of its proper divisors (110740067).

550655605 is a wasteful number, since it uses less digits than its factorization.

550655605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101495.

The product of its (nonzero) digits is 112500, while the sum is 37.

The square root of 550655605 is about 23466.0521818221. The cubic root of 550655605 is about 819.6466874692.

The spelling of 550655605 in words is "five hundred fifty million, six hundred fifty-five thousand, six hundred five".