53409748 has 24 divisors (see below), whose sum is σ = 107642304. Its totient is φ = 22713600.

The previous prime is 53409739. The next prime is 53409751. The reversal of 53409748 is 84790435.

It is a self number, because there is not a number n which added to its sum of digits gives 53409748.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3613 + ... + 10948.

It is an arithmetic number, because the mean of its divisors is an integer number (4485096).

Almost surely, 2^53409748 is an apocalyptic number.

It is an amenable number.

53409748 is an abundant number, since it is smaller than the sum of its proper divisors (54232556).

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

53409748 is a wasteful number, since it uses less digits than its factorization.

53409748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14703 (or 14701 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 53409748 is about 7308.1973153439. The cubic root of 53409748 is about 376.5940981491.

The spelling of 53409748 in words is "fifty-three million, four hundred nine thousand, seven hundred forty-eight".