53868928 has 16 divisors (see below), whose sum is σ = 107317260. Its totient is φ = 26934400.

The previous prime is 53868923. The next prime is 53868943. The reversal of 53868928 is 82986835.

53868928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×53868928² = 5803722807738368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53868923) 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 as a sum of consecutive naturals, namely, 210298 + ... + 210553.

Almost surely, 2^53868928 is an apocalyptic number.

It is an amenable number.

53868928 is a deficient number, since it is larger than the sum of its proper divisors (53448332).

53868928 is an equidigital number, since it uses as much as digits as its factorization.

53868928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420865 (or 420853 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 53868928 is about 7339.5454900150. The cubic root of 53868928 is about 377.6702516997.

The spelling of 53868928 in words is "fifty-three million, eight hundred sixty-eight thousand, nine hundred twenty-eight".