5555605 has 16 divisors (see below), whose sum is σ = 7366464. Its totient is φ = 3988480.

The previous prime is 5555591. The next prime is 5555609. The reversal of 5555605 is 5065555.

It is not a de Polignac number, because 5555605 - 2¹⁵ = 5522837 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 (5555609) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3957 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (460404).

Almost surely, 2^5555605 is an apocalyptic number.

5555605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5555605 is a deficient number, since it is larger than the sum of its proper divisors (1810859).

5555605 is a wasteful number, since it uses less digits than its factorization.

5555605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316.

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

The square root of 5555605 is about 2357.0330926824. The cubic root of 5555605 is about 177.1102869545.

The spelling of 5555605 in words is "five million, five hundred fifty-five thousand, six hundred five".