It is a congruent number.
Almost surely, 256011284 is an apocalyptic number.
56011284 is a gapful number since it is divisible by the number (54) 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 56011284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84958720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56011284 is a wasteful number, since it uses less digits than its factorization.
56011284 is an evil number, because the sum of its binary digits is even.
The square root of 56011284 is about 7484.0686795352. The cubic root of 56011284 is about 382.6119318709.
The spelling of 56011284 in words is "fifty-six million, eleven thousand, two hundred eighty-four".