53363261 has 4 divisors (see below), whose sum is σ = 60986592. Its totient is φ = 45739932.

The previous prime is 53363257. The next prime is 53363279. The reversal of 53363261 is 16236335.

It is a happy number.

53363261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16236335 = 5 ⋅3247267.

It is not a de Polignac number, because 53363261 - 2² = 53363257 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 (53363861) 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 3 ways as a sum of consecutive naturals, for example, 3811655 + ... + 3811668.

It is an arithmetic number, because the mean of its divisors is an integer number (15246648).

Almost surely, 2^53363261 is an apocalyptic number.

It is an amenable number.

53363261 is a deficient number, since it is larger than the sum of its proper divisors (7623331).

53363261 is an equidigital number, since it uses as much as digits as its factorization.

53363261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623330.

The product of its digits is 9720, while the sum is 29.

The square root of 53363261 is about 7305.0161533018. The cubic root of 53363261 is about 376.4848059184.

Adding to 53363261 its reverse (16236335), we get a palindrome (69599596).

The spelling of 53363261 in words is "fifty-three million, three hundred sixty-three thousand, two hundred sixty-one".