53315678 has 32 divisors (see below), whose sum is σ = 88421760. Its totient is φ = 23961600.

The previous prime is 53315677. The next prime is 53315681. The reversal of 53315678 is 87651335.

53315678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53315677) 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, 207326 + ... + 207582.

It is an arithmetic number, because the mean of its divisors is an integer number (2763180).

Almost surely, 2^53315678 is an apocalyptic number.

53315678 is a deficient number, since it is larger than the sum of its proper divisors (35106082).

53315678 is a wasteful number, since it uses less digits than its factorization.

53315678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its digits is 75600, while the sum is 38.

The square root of 53315678 is about 7301.7585553071. The cubic root of 53315678 is about 376.3728712063.

The spelling of 53315678 in words is "fifty-three million, three hundred fifteen thousand, six hundred seventy-eight".