550671605 has 12 divisors (see below), whose sum is σ = 726341196. Its totient is φ = 400488000.

The previous prime is 550671581. The next prime is 550671607. The reversal of 550671605 is 506176055.

It can be written as a sum of positive squares in 2 ways, for example, as 120275089 + 430396516 = 10967^2 + 20746^2 .

It is not a de Polignac number, because 550671605 - 2¹⁰ = 550670581 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 (550671607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454496 + ... + 455705.

It is an arithmetic number, because the mean of its divisors is an integer number (60528433).

Almost surely, 2^550671605 is an apocalyptic number.

550671605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550671605 is a deficient number, since it is larger than the sum of its proper divisors (175669591).

550671605 is a wasteful number, since it uses less digits than its factorization.

550671605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910228 (or 910217 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 550671605 is about 23466.3930973637. The cubic root of 550671605 is about 819.6546260185.

The spelling of 550671605 in words is "five hundred fifty million, six hundred seventy-one thousand, six hundred five".