52224144533 has 4 divisors (see below), whose sum is σ = 56971794048. Its totient is φ = 47476495020.

The previous prime is 52224144509. The next prime is 52224144569. The reversal of 52224144533 is 33544142225.

It is a happy number.

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 not a de Polignac number, because 52224144533 - 2⁸ = 52224144277 is a prime.

It is a super-2 number, since 2×52224144533² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52224144493 and 52224144502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52224144433) 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, 2373824741 + ... + 2373824762.

It is an arithmetic number, because the mean of its divisors is an integer number (14242948512).

Almost surely, 2^52224144533 is an apocalyptic number.

It is an amenable number.

52224144533 is a deficient number, since it is larger than the sum of its proper divisors (4747649515).

52224144533 is a wasteful number, since it uses less digits than its factorization.

52224144533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747649514.

The product of its digits is 115200, while the sum is 35.

Adding to 52224144533 its reverse (33544142225), we get a palindrome (85768286758).

The spelling of 52224144533 in words is "fifty-two billion, two hundred twenty-four million, one hundred forty-four thousand, five hundred thirty-three".