53303261 has 8 divisors (see below), whose sum is σ = 58366848. Its totient is φ = 48276000.

The previous prime is 53303251. The next prime is 53303267. The reversal of 53303261 is 16230335.

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

It is a cyclic number.

It is not a de Polignac number, because 53303261 - 2⁶ = 53303197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53303267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5960 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (7295856).

Almost surely, 2^53303261 is an apocalyptic number.

It is an amenable number.

53303261 is a deficient number, since it is larger than the sum of its proper divisors (5063587).

53303261 is a wasteful number, since it uses less digits than its factorization.

53303261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18163.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 53303261 is about 7300.9082311723. The cubic root of 53303261 is about 376.3436503782.

Adding to 53303261 its reverse (16230335), we get a palindrome (69533596).

The spelling of 53303261 in words is "fifty-three million, three hundred three thousand, two hundred sixty-one".