655503090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is an unprimeable number.
Almost surely, 2655503090 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
655503090 is a wasteful number, since it uses less digits than its factorization.
655503090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1986394.
The square root of 655503090 is about 25602.7945740304. The cubic root of 655503090 is about 868.6768498352.
The spelling of 655503090 in words is "six hundred fifty-five million, five hundred three thousand, ninety".