52985144 has 16 divisors (see below), whose sum is σ = 99522000. Its totient is φ = 26445952.

The previous prime is 52985131. The next prime is 52985173. The reversal of 52985144 is 44158925.

52985144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52985098 and 52985107.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 737 + ... + 10320.

It is an arithmetic number, because the mean of its divisors is an integer number (6220125).

Almost surely, 2^52985144 is an apocalyptic number.

It is an amenable number.

52985144 is a deficient number, since it is larger than the sum of its proper divisors (46536856).

52985144 is a wasteful number, since it uses less digits than its factorization.

52985144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662 (or 11658 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 52985144 is about 7279.0895035025. The cubic root of 52985144 is about 375.5934756763.

The spelling of 52985144 in words is "fifty-two million, nine hundred eighty-five thousand, one hundred forty-four".