52705285 has 8 divisors (see below), whose sum is σ = 63318816. Its totient is φ = 42115920.

The previous prime is 52705277. The next prime is 52705291. The reversal of 52705285 is 58250725.

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

It is not a de Polignac number, because 52705285 - 2³ = 52705277 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 52705285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831 + ... + 10300.

It is an arithmetic number, because the mean of its divisors is an integer number (7914852).

Almost surely, 2^52705285 is an apocalyptic number.

It is an amenable number.

52705285 is a deficient number, since it is larger than the sum of its proper divisors (10613531).

52705285 is a wasteful number, since it uses less digits than its factorization.

52705285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12083.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 52705285 is about 7259.8405629876. The cubic root of 52705285 is about 374.9310332429.

The spelling of 52705285 in words is "fifty-two million, seven hundred five thousand, two hundred eighty-five".