53165605 has 8 divisors (see below), whose sum is σ = 63984672. Its totient is φ = 42408528.

The previous prime is 53165599. The next prime is 53165611. The reversal of 53165605 is 50656135.

It is an interprime number because it is at equal distance from previous prime (53165599) and next prime (53165611).

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 53165605 - 2³ = 53165597 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 7 ways as a sum of consecutive naturals, for example, 13587 + ... + 17056.

It is an arithmetic number, because the mean of its divisors is an integer number (7998084).

Almost surely, 2^53165605 is an apocalyptic number.

It is an amenable number.

53165605 is a deficient number, since it is larger than the sum of its proper divisors (10819067).

53165605 is a wasteful number, since it uses less digits than its factorization.

53165605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30995.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 53165605 is about 7291.4748165237. The cubic root of 53165605 is about 376.0194011605.

The spelling of 53165605 in words is "fifty-three million, one hundred sixty-five thousand, six hundred five".