52885643 has 4 divisors (see below), whose sum is σ = 53151600. Its totient is φ = 52619688.

The previous prime is 52885639. The next prime is 52885649. The reversal of 52885643 is 34658825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52885643 - 2² = 52885639 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 52885643.

It is not an unprimeable number, because it can be changed into a prime (52885649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132680 + ... + 133077.

It is an arithmetic number, because the mean of its divisors is an integer number (13287900).

Almost surely, 2^52885643 is an apocalyptic number.

52885643 is a deficient number, since it is larger than the sum of its proper divisors (265957).

52885643 is a wasteful number, since it uses less digits than its factorization.

52885643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265956.

The product of its digits is 230400, while the sum is 41.

The square root of 52885643 is about 7272.2515770564. The cubic root of 52885643 is about 375.3582188875.

The spelling of 52885643 in words is "fifty-two million, eight hundred eighty-five thousand, six hundred forty-three".