550061605 has 8 divisors (see below), whose sum is σ = 698901912. Its totient is φ = 414163968.

The previous prime is 550061587. The next prime is 550061621. The reversal of 550061605 is 506160055.

It can be written as a sum of positive squares in 4 ways, for example, as 120494529 + 429567076 = 10977^2 + 20726^2 .

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 550061605 - 2¹⁵ = 550028837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235572 + ... + 3235741.

It is an arithmetic number, because the mean of its divisors is an integer number (87362739).

Almost surely, 2^550061605 is an apocalyptic number.

It is an amenable number.

550061605 is a deficient number, since it is larger than the sum of its proper divisors (148840307).

550061605 is a wasteful number, since it uses less digits than its factorization.

550061605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471335.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 550061605 is about 23453.3921853535. The cubic root of 550061605 is about 819.3518599355.

The spelling of 550061605 in words is "five hundred fifty million, sixty-one thousand, six hundred five".