53211210 has 128 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 12047616.

The previous prime is 53211203. The next prime is 53211227. The reversal of 53211210 is 1211235.

53211210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 53211210.

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 63 ways as a sum of consecutive naturals, for example, 318547 + ... + 318713.

It is an arithmetic number, because the mean of its divisors is an integer number (1164240).

Almost surely, 2^53211210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53211210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74511360).

53211210 is an abundant number, since it is smaller than the sum of its proper divisors (95811510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53211210 is a wasteful number, since it uses less digits than its factorization.

53211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 53211210 is about 7294.6014284538. The cubic root of 53211210 is about 376.1268858390.

Adding to 53211210 its reverse (1211235), we get a palindrome (54422445).

The spelling of 53211210 in words is "fifty-three million, two hundred eleven thousand, two hundred ten".