53668428 has 24 divisors (see below), whose sum is σ = 136610880. Its totient is φ = 16263120.

The previous prime is 53668421. The next prime is 53668457. The reversal of 53668428 is 82486635.

53668428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53668428.

It is not an unprimeable number, because it can be changed into a prime (53668421) 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, 203158 + ... + 203421.

It is an arithmetic number, because the mean of its divisors is an integer number (5692120).

Almost surely, 2^53668428 is an apocalyptic number.

It is an amenable number.

53668428 is an abundant number, since it is smaller than the sum of its proper divisors (82942452).

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

53668428 is a wasteful number, since it uses less digits than its factorization.

53668428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406597 (or 406595 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 53668428 is about 7325.8738727881. The cubic root of 53668428 is about 377.2011066234.

The spelling of 53668428 in words is "fifty-three million, six hundred sixty-eight thousand, four hundred twenty-eight".