52887643 has 8 divisors (see below), whose sum is σ = 55756800. Its totient is φ = 50091240.

The previous prime is 52887641. The next prime is 52887661. The reversal of 52887643 is 34678825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52887643 - 2¹ = 52887641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52887643.

It is not an unprimeable number, because it can be changed into a prime (52887641) 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 7 ways as a sum of consecutive naturals, for example, 16693 + ... + 19606.

It is an arithmetic number, because the mean of its divisors is an integer number (6969600).

Almost surely, 2^52887643 is an apocalyptic number.

52887643 is a deficient number, since it is larger than the sum of its proper divisors (2869157).

52887643 is a wasteful number, since it uses less digits than its factorization.

52887643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36377.

The product of its digits is 322560, while the sum is 43.

The square root of 52887643 is about 7272.3890847506. The cubic root of 52887643 is about 375.3629505244.

The spelling of 52887643 in words is "fifty-two million, eight hundred eighty-seven thousand, six hundred forty-three".