52245533 has 4 divisors (see below), whose sum is σ = 52260000. Its totient is φ = 52231068.

The previous prime is 52245527. The next prime is 52245541. The reversal of 52245533 is 33554225.

52245533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52245533 - 2¹⁶ = 52179997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52245496 and 52245505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52245593) 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 3 ways as a sum of consecutive naturals, for example, 3218 + ... + 10716.

It is an arithmetic number, because the mean of its divisors is an integer number (13065000).

Almost surely, 2^52245533 is an apocalyptic number.

It is an amenable number.

52245533 is a deficient number, since it is larger than the sum of its proper divisors (14467).

52245533 is an equidigital number, since it uses as much as digits as its factorization.

52245533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466.

The product of its digits is 18000, while the sum is 29.

The square root of 52245533 is about 7228.1071519451. The cubic root of 52245533 is about 373.8376643989.

Adding to 52245533 its reverse (33554225), we get a palindrome (85799758).

The spelling of 52245533 in words is "fifty-two million, two hundred forty-five thousand, five hundred thirty-three".