53223433 has 2 divisors, whose sum is σ = 53223434. Its totient is φ = 53223432.

The previous prime is 53223431. The next prime is 53223437. The reversal of 53223433 is 33432235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43718544 + 9504889 = 6612^2 + 3083^2 .

It is a cyclic number.

It is not a de Polignac number, because 53223433 - 2¹ = 53223431 is a prime.

Together with 53223431, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53223398 and 53223407.

It is not a weakly prime, because it can be changed into another prime (53223431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26611716 + 26611717.

It is an arithmetic number, because the mean of its divisors is an integer number (26611717).

Almost surely, 2^53223433 is an apocalyptic number.

It is an amenable number.

53223433 is a deficient number, since it is larger than the sum of its proper divisors (1).

53223433 is an equidigital number, since it uses as much as digits as its factorization.

53223433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 25.

The square root of 53223433 is about 7295.4391917142. The cubic root of 53223433 is about 376.1556833233.

Adding to 53223433 its reverse (33432235), we get a palindrome (86655668).

The spelling of 53223433 in words is "fifty-three million, two hundred twenty-three thousand, four hundred thirty-three".