53909928 has 32 divisors (see below), whose sum is σ = 149750400. Its totient is φ = 17969904.

The previous prime is 53909923. The next prime is 53909963. The reversal of 53909928 is 82990935.

53909928 is a `hidden beast` number, since 539 + 0 + 99 + 28 = 666.

53909928 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 (53909923) 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, 124576 + ... + 125007.

It is an arithmetic number, because the mean of its divisors is an integer number (4679700).

Almost surely, 2^53909928 is an apocalyptic number.

It is an amenable number.

53909928 is an abundant number, since it is smaller than the sum of its proper divisors (95840472).

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

53909928 is a wasteful number, since it uses less digits than its factorization.

53909928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249598 (or 249588 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 53909928 is about 7342.3380472435. The cubic root of 53909928 is about 377.7660431829.

The spelling of 53909928 in words is "fifty-three million, nine hundred nine thousand, nine hundred twenty-eight".