55577788 is an admirable number.
It is a plaindrome in base 10.
It is a zygodrome in base 10.
It is a congruent number.
Almost surely, 255577788 is an apocalyptic number.
It is an amenable number.
55577788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55577788 is a wasteful number, since it uses less digits than its factorization.
55577788 is an odious number, because the sum of its binary digits is odd.
The square root of 55577788 is about 7455.0511735333. The cubic root of 55577788 is about 381.6223069878.
The spelling of 55577788 in words is "fifty-five million, five hundred seventy-seven thousand, seven hundred eighty-eight".