53321211 has 12 divisors (see below), whose sum is σ = 77146992. Its totient is φ = 35488656.

The previous prime is 53321207. The next prime is 53321221. The reversal of 53321211 is 11212335.

It is not a de Polignac number, because 53321211 - 2² = 53321207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53321221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245 + ... + 10401.

It is an arithmetic number, because the mean of its divisors is an integer number (6428916).

Almost surely, 2^53321211 is an apocalyptic number.

53321211 is a deficient number, since it is larger than the sum of its proper divisors (23825781).

53321211 is a wasteful number, since it uses less digits than its factorization.

53321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810 (or 9807 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 53321211 is about 7302.1374268087. The cubic root of 53321211 is about 376.3858905104.

Adding to 53321211 its reverse (11212335), we get a palindrome (64533546).

The spelling of 53321211 in words is "fifty-three million, three hundred twenty-one thousand, two hundred eleven".