53302563 has 16 divisors (see below), whose sum is σ = 79097760. Its totient is φ = 35476128.

The previous prime is 53302553. The next prime is 53302597. The reversal of 53302563 is 36520335.

53302563 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 53302563 - 2⁸ = 53302307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53302553) 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, 20281 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (4943610).

Almost surely, 2^53302563 is an apocalyptic number.

53302563 is a deficient number, since it is larger than the sum of its proper divisors (25795197).

53302563 is a wasteful number, since it uses less digits than its factorization.

53302563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283 (or 3277 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 53302563 is about 7300.8604287440. The cubic root of 53302563 is about 376.3420076456.

Adding to 53302563 its reverse (36520335), we get a palindrome (89822898).

The spelling of 53302563 in words is "fifty-three million, three hundred two thousand, five hundred sixty-three".