605555000 has 80 divisors (see below), whose sum is σ = 1427168160. Its totient is φ = 240800000.

The previous prime is 605554993. The next prime is 605555039. The reversal of 605555000 is 555506.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1404785 + ... + 1405215.

It is an arithmetic number, because the mean of its divisors is an integer number (17839602).

Almost surely, 2^605555000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713584080).

605555000 is an abundant number, since it is smaller than the sum of its proper divisors (821613160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605555000 is a wasteful number, since it uses less digits than its factorization.

605555000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 605555000 is about 24608.0271456287. The cubic root of 605555000 is about 846.0276003641.

The spelling of 605555000 in words is "six hundred five million, five hundred fifty-five thousand".