52253533 has 4 divisors (see below), whose sum is σ = 52299328. Its totient is φ = 52207740.

The previous prime is 52253491. The next prime is 52253543. The reversal of 52253533 is 33535225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52253533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52253543) 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, 21141 + ... + 23482.

It is an arithmetic number, because the mean of its divisors is an integer number (13074832).

Almost surely, 2^52253533 is an apocalyptic number.

It is an amenable number.

52253533 is a deficient number, since it is larger than the sum of its proper divisors (45795).

52253533 is a wasteful number, since it uses less digits than its factorization.

52253533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45794.

The product of its digits is 13500, while the sum is 28.

The square root of 52253533 is about 7228.6605259896. The cubic root of 52253533 is about 373.8567444906.

Adding to 52253533 its reverse (33535225), we get a palindrome (85788758).

The spelling of 52253533 in words is "fifty-two million, two hundred fifty-three thousand, five hundred thirty-three".