53445261 has 16 divisors (see below), whose sum is σ = 75104640. Its totient is φ = 33739200.

The previous prime is 53445247. The next prime is 53445269. The reversal of 53445261 is 16254435.

53445261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53445261 - 2⁹ = 53444749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (4694040).

Almost surely, 2^53445261 is an apocalyptic number.

It is an amenable number.

53445261 is a deficient number, since it is larger than the sum of its proper divisors (21659379).

53445261 is a wasteful number, since it uses less digits than its factorization.

53445261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796.

The product of its digits is 14400, while the sum is 30.

The square root of 53445261 is about 7310.6265805333. The cubic root of 53445261 is about 376.6775474794.

Adding to 53445261 its reverse (16254435), we get a palindrome (69699696).

The spelling of 53445261 in words is "fifty-three million, four hundred forty-five thousand, two hundred sixty-one".