52985472 has 32 divisors (see below), whose sum is σ = 140743680. Its totient is φ = 17661696.

The previous prime is 52985467. The next prime is 52985473. The reversal of 52985472 is 27458925.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52985473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68608 + ... + 69375.

It is an arithmetic number, because the mean of its divisors is an integer number (4398240).

Almost surely, 2^52985472 is an apocalyptic number.

It is an amenable number.

52985472 is an abundant number, since it is smaller than the sum of its proper divisors (87758208).

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

52985472 is a wasteful number, since it uses less digits than its factorization.

52985472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138000 (or 137988 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 52985472 is about 7279.1120337580. The cubic root of 52985472 is about 375.5942507011.

The spelling of 52985472 in words is "fifty-two million, nine hundred eighty-five thousand, four hundred seventy-two".