53224533 has 12 divisors (see below), whose sum is σ = 79727648. Its totient is φ = 35482860.

The previous prime is 53224517. The next prime is 53224543. The reversal of 53224533 is 33542235.

It is not a de Polignac number, because 53224533 - 2⁴ = 53224517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 = 53224497 and 53224506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53224543) 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 11 ways as a sum of consecutive naturals, for example, 109273 + ... + 109758.

Almost surely, 2^53224533 is an apocalyptic number.

It is an amenable number.

53224533 is a deficient number, since it is larger than the sum of its proper divisors (26503115).

53224533 is an equidigital number, since it uses as much as digits as its factorization.

53224533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219046 (or 219034 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 53224533 is about 7295.5145808915. The cubic root of 53224533 is about 376.1582747157.

Adding to 53224533 its reverse (33542235), we get a palindrome (86766768).

The spelling of 53224533 in words is "fifty-three million, two hundred twenty-four thousand, five hundred thirty-three".