53042241 has 16 divisors (see below), whose sum is σ = 82353024. Its totient is φ = 29737344.

The previous prime is 53042237. The next prime is 53042257. The reversal of 53042241 is 14224035.

It is not a de Polignac number, because 53042241 - 2² = 53042237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (53042221) 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 15 ways as a sum of consecutive naturals, for example, 22716 + ... + 24941.

It is an arithmetic number, because the mean of its divisors is an integer number (5147064).

Almost surely, 2^53042241 is an apocalyptic number.

It is an amenable number.

53042241 is a deficient number, since it is larger than the sum of its proper divisors (29310783).

53042241 is a wasteful number, since it uses less digits than its factorization.

53042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47720.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 53042241 is about 7283.0104352527. The cubic root of 53042241 is about 375.7283409140.

Adding to 53042241 its reverse (14224035), we get a palindrome (67266276).

The spelling of 53042241 in words is "fifty-three million, forty-two thousand, two hundred forty-one".