53288261 has 8 divisors (see below), whose sum is σ = 57662304. Its totient is φ = 48953520.

The previous prime is 53288243. The next prime is 53288273. The reversal of 53288261 is 16288235.

53288261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53288261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53288231) 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 7 ways as a sum of consecutive naturals, for example, 6971 + ... + 12456.

It is an arithmetic number, because the mean of its divisors is an integer number (7207788).

Almost surely, 2^53288261 is an apocalyptic number.

It is an amenable number.

53288261 is a deficient number, since it is larger than the sum of its proper divisors (4374043).

53288261 is a wasteful number, since it uses less digits than its factorization.

53288261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19651.

The product of its digits is 23040, while the sum is 35.

The square root of 53288261 is about 7299.8808894392. The cubic root of 53288261 is about 376.3083449437.

The spelling of 53288261 in words is "fifty-three million, two hundred eighty-eight thousand, two hundred sixty-one".