53240263 has 8 divisors (see below), whose sum is σ = 54635616. Its totient is φ = 51849600.

The previous prime is 53240221. The next prime is 53240269. The reversal of 53240263 is 36204235.

It is a happy number.

53240263 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 not a de Polignac number, because 53240263 - 2¹³ = 53232071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53240269) 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, 39643 + ... + 40963.

It is an arithmetic number, because the mean of its divisors is an integer number (6829452).

Almost surely, 2^53240263 is an apocalyptic number.

53240263 is a deficient number, since it is larger than the sum of its proper divisors (1395353).

53240263 is a wasteful number, since it uses less digits than its factorization.

53240263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 53240263 is about 7296.5925609150. The cubic root of 53240263 is about 376.1953277219.

Adding to 53240263 its reverse (36204235), we get a palindrome (89444498).

The spelling of 53240263 in words is "fifty-three million, two hundred forty thousand, two hundred sixty-three".