53553242 has 8 divisors (see below), whose sum is σ = 81646932. Its totient is φ = 26337600.

The previous prime is 53553217. The next prime is 53553271. The reversal of 53553242 is 24235535.

It can be written as a sum of positive squares in 2 ways, for example, as 47348161 + 6205081 = 6881^2 + 2491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 219359 + ... + 219602.

Almost surely, 2^53553242 is an apocalyptic number.

53553242 is a deficient number, since it is larger than the sum of its proper divisors (28093690).

53553242 is a wasteful number, since it uses less digits than its factorization.

53553242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439024.

The product of its digits is 18000, while the sum is 29.

The square root of 53553242 is about 7318.0080623077. The cubic root of 53553242 is about 376.9310570551.

Adding to 53553242 its reverse (24235535), we get a palindrome (77788777).

The spelling of 53553242 in words is "fifty-three million, five hundred fifty-three thousand, two hundred forty-two".