53305085 has 8 divisors (see below), whose sum is σ = 64006200. Its totient is φ = 42617344.

The previous prime is 53305069. The next prime is 53305093. The reversal of 53305085 is 58050335.

It can be written as a sum of positive squares in 4 ways, for example, as 484 + 53304601 = 22^2 + 7301^2 .

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 53305085 - 2⁴ = 53305069 is a prime.

It is a Curzon number.

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, 11141 + ... + 15189.

It is an arithmetic number, because the mean of its divisors is an integer number (8000775).

Almost surely, 2^53305085 is an apocalyptic number.

It is an amenable number.

53305085 is a deficient number, since it is larger than the sum of its proper divisors (10701115).

53305085 is a wasteful number, since it uses less digits than its factorization.

53305085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6687.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 53305085 is about 7301.0331460691. The cubic root of 53305085 is about 376.3479430673.

The spelling of 53305085 in words is "fifty-three million, three hundred five thousand, eighty-five".