53001233 has 4 divisors (see below), whose sum is σ = 54293988. Its totient is φ = 51708480.

The previous prime is 53001211. The next prime is 53001239. The reversal of 53001233 is 33210035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33210035 = 5 ⋅6642007.

It can be written as a sum of positive squares in 2 ways, for example, as 21270544 + 31730689 = 4612^2 + 5633^2 .

It is a cyclic number.

It is not a de Polignac number, because 53001233 - 2⁸ = 53000977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53001239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646316 + ... + 646397.

It is an arithmetic number, because the mean of its divisors is an integer number (13573497).

Almost surely, 2^53001233 is an apocalyptic number.

It is an amenable number.

53001233 is a deficient number, since it is larger than the sum of its proper divisors (1292755).

53001233 is a wasteful number, since it uses less digits than its factorization.

53001233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292754.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 53001233 is about 7280.1945715757. The cubic root of 53001233 is about 375.6314882928.

Adding to 53001233 its reverse (33210035), we get a palindrome (86211268).

The spelling of 53001233 in words is "fifty-three million, one thousand, two hundred thirty-three".