555505000 has 80 divisors (see below), whose sum is σ = 1309783860. Its totient is φ = 220800000.

The previous prime is 555504967. The next prime is 555505007. The reversal of 555505000 is 505555.

It can be written as a sum of positive squares in 10 ways, for example, as 32285124 + 523219876 = 5682^2 + 22874^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (555505007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1204770 + ... + 1205230.

Almost surely, 2^555505000 is an apocalyptic number.

555505000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555505000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654891930).

555505000 is an abundant number, since it is smaller than the sum of its proper divisors (754278860).

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

555505000 is a wasteful number, since it uses less digits than its factorization.

555505000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 555505000 is about 23569.1535698675. The cubic root of 555505000 is about 822.0457545427.

It can be divided in two parts, 55 and 5505000, that added together give a palindrome (5505055).

The spelling of 555505000 in words is "five hundred fifty-five million, five hundred five thousand".