53322250 has 16 divisors (see below), whose sum is σ = 99819720. Its totient is φ = 21328800.

The previous prime is 53322239. The next prime is 53322259. The reversal of 53322250 is 5222335.

It can be written as a sum of positive squares in 4 ways, for example, as 2099601 + 51222649 = 1449^2 + 7157^2 .

It is not an unprimeable number, because it can be changed into a prime (53322259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106395 + ... + 106894.

Almost surely, 2^53322250 is an apocalyptic number.

53322250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53322250 is a deficient number, since it is larger than the sum of its proper divisors (46497470).

53322250 is a wasteful number, since it uses less digits than its factorization.

53322250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213306 (or 213296 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 53322250 is about 7302.2085700150. The cubic root of 53322250 is about 376.3883352060.

Adding to 53322250 its reverse (5222335), we get a palindrome (58544585).

The spelling of 53322250 in words is "fifty-three million, three hundred twenty-two thousand, two hundred fifty".