53321233 has 16 divisors (see below), whose sum is σ = 62747136. Its totient is φ = 44366400.

The previous prime is 53321221. The next prime is 53321243. The reversal of 53321233 is 33212335.

It is a happy number.

53321233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53321233 - 2²¹ = 51224081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53321243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36760 + ... + 38182.

It is an arithmetic number, because the mean of its divisors is an integer number (3921696).

Almost surely, 2^53321233 is an apocalyptic number.

53321233 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53321233 is a deficient number, since it is larger than the sum of its proper divisors (9425903).

53321233 is a wasteful number, since it uses less digits than its factorization.

53321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584.

The product of its digits is 1620, while the sum is 22.

The square root of 53321233 is about 7302.1389332168. The cubic root of 53321233 is about 376.3859422752.

Adding to 53321233 its reverse (33212335), we get a palindrome (86533568).

The spelling of 53321233 in words is "fifty-three million, three hundred twenty-one thousand, two hundred thirty-three".