65755285 has 4 divisors (see below), whose sum is σ = 78906348. Its totient is φ = 52604224.

The previous prime is 65755279. The next prime is 65755297. The reversal of 65755285 is 58255756.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12552849 + 53202436 = 3543^2 + 7294^2 .

It is a cyclic number.

It is not a de Polignac number, because 65755285 - 2²⁵ = 32200853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6575524 + ... + 6575533.

It is an arithmetic number, because the mean of its divisors is an integer number (19726587).

Almost surely, 2^65755285 is an apocalyptic number.

It is an amenable number.

65755285 is a deficient number, since it is larger than the sum of its proper divisors (13151063).

65755285 is a wasteful number, since it uses less digits than its factorization.

65755285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151062.

The product of its digits is 420000, while the sum is 43.

The square root of 65755285 is about 8108.9632506258. The cubic root of 65755285 is about 403.6239127413.

The spelling of 65755285 in words is "sixty-five million, seven hundred fifty-five thousand, two hundred eighty-five".