It is a congruent number.
It is an unprimeable number.
Almost surely, 252448550 is an apocalyptic number.
52448550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 52448550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85708800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52448550 is a wasteful number, since it uses less digits than its factorization.
52448550 is an evil number, because the sum of its binary digits is even.
The square root of 52448550 is about 7242.1371155205. The cubic root of 52448550 is about 374.3212611329.
The spelling of 52448550 in words is "fifty-two million, four hundred forty-eight thousand, five hundred fifty".