53229311 has 4 divisors (see below), whose sum is σ = 53870712. Its totient is φ = 52587912.

The previous prime is 53229307. The next prime is 53229349. The reversal of 53229311 is 11392235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53229311 - 2² = 53229307 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53222311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320576 + ... + 320741.

It is an arithmetic number, because the mean of its divisors is an integer number (13467678).

Almost surely, 2^53229311 is an apocalyptic number.

53229311 is a deficient number, since it is larger than the sum of its proper divisors (641401).

53229311 is an equidigital number, since it uses as much as digits as its factorization.

53229311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641400.

The product of its digits is 1620, while the sum is 26.

The square root of 53229311 is about 7295.8420350224. The cubic root of 53229311 is about 376.1695303677.

The spelling of 53229311 in words is "fifty-three million, two hundred twenty-nine thousand, three hundred eleven".