57553056 is a `hidden beast` number, since 5 + 75 + 530 + 56 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a self number, because there is not a number n which added to its sum of digits gives 57553056.
It is an unprimeable number.
Almost surely, 257553056 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57553056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91872144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57553056 is a wasteful number, since it uses less digits than its factorization.
57553056 is an odious number, because the sum of its binary digits is odd.
The square root of 57553056 is about 7586.3730464564. The cubic root of 57553056 is about 386.0908088139.
The spelling of 57553056 in words is "fifty-seven million, five hundred fifty-three thousand, fifty-six".