53508242 has 4 divisors (see below), whose sum is σ = 80262366. Its totient is φ = 26754120.

The previous prime is 53508241. The next prime is 53508271. The reversal of 53508242 is 24280535.

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

It can be written as a sum of positive squares in only one way, i.e., 44502241 + 9006001 = 6671^2 + 3001^2 .

It is not an unprimeable number, because it can be changed into a prime (53508241) 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 as a sum of consecutive naturals, namely, 13377059 + ... + 13377062.

Almost surely, 2^53508242 is an apocalyptic number.

53508242 is a deficient number, since it is larger than the sum of its proper divisors (26754124).

53508242 is a wasteful number, since it uses less digits than its factorization.

53508242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26754123.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 53508242 is about 7314.9328089874. The cubic root of 53508242 is about 376.8254509324.

Adding to 53508242 its reverse (24280535), we get a palindrome (77788777).

The spelling of 53508242 in words is "fifty-three million, five hundred eight thousand, two hundred forty-two".