53909284 has 48 divisors (see below), whose sum is σ = 112331520. Its totient is φ = 22314240.

The previous prime is 53909269. The next prime is 53909291. The reversal of 53909284 is 48290935.

It is a happy number.

53909284 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 (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 44592 + ... + 45784.

It is an arithmetic number, because the mean of its divisors is an integer number (2340240).

Almost surely, 2^53909284 is an apocalyptic number.

It is an amenable number.

53909284 is an abundant number, since it is smaller than the sum of its proper divisors (58422236).

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

53909284 is a wasteful number, since it uses less digits than its factorization.

53909284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 53909284 is about 7342.2941918722. The cubic root of 53909284 is about 377.7645389312.

The spelling of 53909284 in words is "fifty-three million, nine hundred nine thousand, two hundred eighty-four".