53205212 has 12 divisors (see below), whose sum is σ = 93254616. Its totient is φ = 26561040.

The previous prime is 53205193. The next prime is 53205221. The reversal of 53205212 is 21250235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7418 + ... + 12705.

It is an arithmetic number, because the mean of its divisors is an integer number (7771218).

Almost surely, 2^53205212 is an apocalyptic number.

It is an amenable number.

53205212 is a deficient number, since it is larger than the sum of its proper divisors (40049404).

53205212 is a wasteful number, since it uses less digits than its factorization.

53205212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20788 (or 20786 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 53205212 is about 7294.1902909096. The cubic root of 53205212 is about 376.1127528908.

Adding to 53205212 its reverse (21250235), we get a palindrome (74455447).

The spelling of 53205212 in words is "fifty-three million, two hundred five thousand, two hundred twelve".