52665605 has 4 divisors (see below), whose sum is σ = 63198732. Its totient is φ = 42132480.

The previous prime is 52665593. The next prime is 52665617. The reversal of 52665605 is 50656625.

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

It is an interprime number because it is at equal distance from previous prime (52665593) and next prime (52665617).

It can be written as a sum of positive squares in 2 ways, for example, as 37039396 + 15626209 = 6086^2 + 3953^2 .

It is not a de Polignac number, because 52665605 - 2¹² = 52661509 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, 5266556 + ... + 5266565.

It is an arithmetic number, because the mean of its divisors is an integer number (15799683).

Almost surely, 2^52665605 is an apocalyptic number.

It is an amenable number.

52665605 is a deficient number, since it is larger than the sum of its proper divisors (10533127).

52665605 is a wasteful number, since it uses less digits than its factorization.

52665605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533126.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 52665605 is about 7257.1072060429. The cubic root of 52665605 is about 374.8369187186.

The spelling of 52665605 in words is "fifty-two million, six hundred sixty-five thousand, six hundred five".