53716578 has 16 divisors (see below), whose sum is σ = 107544576. Its totient is φ = 17886960.

The previous prime is 53716571. The next prime is 53716627. The reversal of 53716578 is 87561735.

53716578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53716571) 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, 2463 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (6721536).

Almost surely, 2^53716578 is an apocalyptic number.

53716578 is an abundant number, since it is smaller than the sum of its proper divisors (53827998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53716578 is a wasteful number, since it uses less digits than its factorization.

53716578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9289.

The product of its digits is 176400, while the sum is 42.

The square root of 53716578 is about 7329.1594333866. The cubic root of 53716578 is about 377.3138781050.

The spelling of 53716578 in words is "fifty-three million, seven hundred sixteen thousand, five hundred seventy-eight".