53221210 has 32 divisors (see below), whose sum is σ = 109734912. Its totient is φ = 18205440.

The previous prime is 53221187. The next prime is 53221253. The reversal of 53221210 is 1212235.

53221210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59970 + ... + 60850.

It is an arithmetic number, because the mean of its divisors is an integer number (3429216).

Almost surely, 2^53221210 is an apocalyptic number.

53221210 is an abundant number, since it is smaller than the sum of its proper divisors (56513702).

53221210 is a wasteful number, since it uses less digits than its factorization.

53221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 53221210 is about 7295.2868346625. The cubic root of 53221210 is about 376.1504462459.

Adding to 53221210 its reverse (1212235), we get a palindrome (54433445).

The spelling of 53221210 in words is "fifty-three million, two hundred twenty-one thousand, two hundred ten".