53224531 has 4 divisors (see below), whose sum is σ = 53249200. Its totient is φ = 53199864.

The previous prime is 53224517. The next prime is 53224543. The reversal of 53224531 is 13542235.

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

It is a cyclic number.

It is not a de Polignac number, because 53224531 - 2¹⁷ = 53093459 is a prime.

It is a super-2 number, since 2×53224531² = 5665701400339922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53224496 and 53224505.

It is not an unprimeable number, because it can be changed into a prime (53224571) 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 3 ways as a sum of consecutive naturals, for example, 8751 + ... + 13528.

It is an arithmetic number, because the mean of its divisors is an integer number (13312300).

Almost surely, 2^53224531 is an apocalyptic number.

53224531 is a deficient number, since it is larger than the sum of its proper divisors (24669).

53224531 is a wasteful number, since it uses less digits than its factorization.

53224531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24668.

The product of its digits is 3600, while the sum is 25.

The square root of 53224531 is about 7295.5144438209. The cubic root of 53224531 is about 376.1582700041.

Adding to 53224531 its reverse (13542235), we get a palindrome (66766766).

The spelling of 53224531 in words is "fifty-three million, two hundred twenty-four thousand, five hundred thirty-one".