52302133 has 4 divisors (see below), whose sum is σ = 56325388. Its totient is φ = 48278880.

The previous prime is 52302119. The next prime is 52302139. The reversal of 52302133 is 33120325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34128964 + 18173169 = 5842^2 + 4263^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52302133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52302133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52302139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011608 + ... + 2011633.

It is an arithmetic number, because the mean of its divisors is an integer number (14081347).

Almost surely, 2^52302133 is an apocalyptic number.

It is an amenable number.

52302133 is a deficient number, since it is larger than the sum of its proper divisors (4023255).

52302133 is a wasteful number, since it uses less digits than its factorization.

52302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023254.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 52302133 is about 7232.0213633534. The cubic root of 52302133 is about 373.9726142167.

Adding to 52302133 its reverse (33120325), we get a palindrome (85422458).

The spelling of 52302133 in words is "fifty-two million, three hundred two thousand, one hundred thirty-three".