53985508 has 36 divisors (see below), whose sum is σ = 102070528. Its totient is φ = 24955920.

The previous prime is 53985473. The next prime is 53985509. The reversal of 53985508 is 80558935.

It is a happy number.

53985508 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 (53985509) 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 11 ways as a sum of consecutive naturals, for example, 65185 + ... + 66007.

Almost surely, 2^53985508 is an apocalyptic number.

It is an amenable number.

53985508 is a deficient number, since it is larger than the sum of its proper divisors (48085020).

53985508 is a wasteful number, since it uses less digits than its factorization.

53985508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 53985508 is about 7347.4831064794. The cubic root of 53985508 is about 377.9424993954.

The spelling of 53985508 in words is "fifty-three million, nine hundred eighty-five thousand, five hundred eight".