53212311 has 12 divisors (see below), whose sum is σ = 77004720. Its totient is φ = 35409120.

The previous prime is 53212309. The next prime is 53212321. The reversal of 53212311 is 11321235.

53212311 is a `hidden beast` number, since 532 + 123 + 11 = 666.

It is not a de Polignac number, because 53212311 - 2¹ = 53212309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212321) 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, 75 + ... + 10316.

It is an arithmetic number, because the mean of its divisors is an integer number (6417060).

Almost surely, 2^53212311 is an apocalyptic number.

53212311 is a deficient number, since it is larger than the sum of its proper divisors (23792409).

53212311 is a wasteful number, since it uses less digits than its factorization.

53212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10966 (or 10963 counting only the distinct ones).

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

The square root of 53212311 is about 7294.6768948323. The cubic root of 53212311 is about 376.1294799844.

Adding to 53212311 its reverse (11321235), we get a palindrome (64533546).

The spelling of 53212311 in words is "fifty-three million, two hundred twelve thousand, three hundred eleven".