It is a zygodrome in base 2 and base 6.
It is a congruent number.
57456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
257456 is an apocalyptic number.
57456 is a gapful number since it is divisible by the number (56) 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 57456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57456 is a wasteful number, since it uses less digits than its factorization.
57456 is an evil number, because the sum of its binary digits is even.
The square root of 57456 is about 239.6998122653. The cubic root of 57456 is about 38.5873655483.
The spelling of 57456 in words is "fifty-seven thousand, four hundred fifty-six".