53708563 has 4 divisors (see below), whose sum is σ = 54312120. Its totient is φ = 53105008.

The previous prime is 53708549. The next prime is 53708569. The reversal of 53708563 is 36580735.

53708563 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.

It is a cyclic number.

It is not a de Polignac number, because 53708563 - 2⁵ = 53708531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53708569) 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, 301645 + ... + 301822.

It is an arithmetic number, because the mean of its divisors is an integer number (13578030).

Almost surely, 2^53708563 is an apocalyptic number.

53708563 is a deficient number, since it is larger than the sum of its proper divisors (603557).

53708563 is an equidigital number, since it uses as much as digits as its factorization.

53708563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603556.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 53708563 is about 7328.6126245013. The cubic root of 53708563 is about 377.2951109555.

The spelling of 53708563 in words is "fifty-three million, seven hundred eight thousand, five hundred sixty-three".