53304531 has 32 divisors (see below), whose sum is σ = 86151168. Its totient is φ = 28667520.

The previous prime is 53304521. The next prime is 53304569. The reversal of 53304531 is 13540335.

It is a happy number.

It is not a de Polignac number, because 53304531 - 2⁵ = 53304499 is a prime.

It is a super-2 number, since 2×53304531² = 5682746050259922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53304521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22981 + ... + 25193.

It is an arithmetic number, because the mean of its divisors is an integer number (2692224).

Almost surely, 2^53304531 is an apocalyptic number.

53304531 is a deficient number, since it is larger than the sum of its proper divisors (32846637).

53304531 is a wasteful number, since it uses less digits than its factorization.

53304531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 53304531 is about 7300.9952061346. The cubic root of 53304531 is about 376.3466392675.

Adding to 53304531 its reverse (13540335), we get a palindrome (66844866).

It can be divided in two parts, 53304 and 531, that added together give a palindrome (53835).

The spelling of 53304531 in words is "fifty-three million, three hundred four thousand, five hundred thirty-one".