605550505 has 16 divisors (see below), whose sum is σ = 830911104. Its totient is φ = 415013760.

The previous prime is 605550503. The next prime is 605550521. The reversal of 605550505 is 505055506.

It is not a de Polignac number, because 605550505 - 2¹ = 605550503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605550503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88870 + ... + 95440.

It is an arithmetic number, because the mean of its divisors is an integer number (51931944).

Almost surely, 2^605550505 is an apocalyptic number.

It is an amenable number.

605550505 is a deficient number, since it is larger than the sum of its proper divisors (225360599).

605550505 is a wasteful number, since it uses less digits than its factorization.

605550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 605550505 is about 24607.9358134729. The cubic root of 605550505 is about 846.0255070208.

The spelling of 605550505 in words is "six hundred five million, five hundred fifty thousand, five hundred five".