It is a happy number.
It is a congruent number.
It is an unprimeable number.
Almost surely, 25500555542264 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5500555542264 is a wasteful number, since it uses less digits than its factorization.
5500555542264 is an evil number, because the sum of its binary digits is even.
The spelling of 5500555542264 in words is "five trillion, five hundred billion, five hundred fifty-five million, five hundred forty-two thousand, two hundred sixty-four".