It is a zygodrome in base 4.
It is a self number, because there is not a number n which added to its sum of digits gives 5515776.
It is an unprimeable number.
Almost surely, 25515776 is an apocalyptic number.
5515776 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 5515776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9902640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5515776 is an equidigital number, since it uses as much as digits as its factorization.
5515776 is an evil number, because the sum of its binary digits is even.
The square root of 5515776 is about 2348.5689259632. The cubic root of 5515776 is about 176.6860277029.
The spelling of 5515776 in words is "five million, five hundred fifteen thousand, seven hundred seventy-six".