The square root of 51380224 is 7168.
It is a nialpdrome in base 16.
It is an unprimeable number.
Almost surely, 251380224 is an apocalyptic number.
51380224 is the 7168-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51380224
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51380224 is an frugal number, since it uses more digits than its factorization.
51380224 is an odious number, because the sum of its binary digits is odd.
The cubic root of 51380224 is about 371.7622869481.
Multiplying 51380224 by its sum of digits (25), we get a square (1284505600 = 358402).
Adding to 51380224 its reverse (42208315), we get a palindrome (93588539).
The spelling of 51380224 in words is "fifty-one million, three hundred eighty thousand, two hundred twenty-four".