52728536 has 32 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 22213536.

The previous prime is 52728527. The next prime is 52728541. The reversal of 52728536 is 63582725.

It is a self number, because there is not a number n which added to its sum of digits gives 52728536.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4676 + ... + 11283.

It is an arithmetic number, because the mean of its divisors is an integer number (3591000).

Almost surely, 2^52728536 is an apocalyptic number.

52728536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52728536 is an abundant number, since it is smaller than the sum of its proper divisors (62183464).

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

52728536 is a wasteful number, since it uses less digits than its factorization.

52728536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16031 (or 16027 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 52728536 is about 7261.4417301249. The cubic root of 52728536 is about 374.9861588965.

The spelling of 52728536 in words is "fifty-two million, seven hundred twenty-eight thousand, five hundred thirty-six".