555650000 has 60 divisors (see below), whose sum is σ = 1345749804. Its totient is φ = 222240000.

The previous prime is 555649967. The next prime is 555650009. The reversal of 555650000 is 56555.

It can be written as a sum of positive squares in 6 ways, for example, as 552814144 + 2835856 = 23512^2 + 1684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555650009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44444 + ... + 55556.

Almost surely, 2^555650000 is an apocalyptic number.

555650000 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 555650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672874902).

555650000 is an abundant number, since it is smaller than the sum of its proper divisors (790099804).

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

555650000 is an equidigital number, since it uses as much as digits as its factorization.

555650000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146 (or 11120 counting only the distinct ones).

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

The square root of 555650000 is about 23572.2294236247. The cubic root of 555650000 is about 822.1172728098.

The spelling of 555650000 in words is "five hundred fifty-five million, six hundred fifty thousand".