52665353 has 4 divisors (see below), whose sum is σ = 56716548. Its totient is φ = 48614160.

The previous prime is 52665341. The next prime is 52665407. The reversal of 52665353 is 35356625.

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 10259209 + 42406144 = 3203^2 + 6512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52665353 is a prime.

It is a super-2 number, since 2×52665353² = 5547278813229218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52665313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025578 + ... + 2025603.

It is an arithmetic number, because the mean of its divisors is an integer number (14179137).

Almost surely, 2^52665353 is an apocalyptic number.

It is an amenable number.

52665353 is a deficient number, since it is larger than the sum of its proper divisors (4051195).

52665353 is a wasteful number, since it uses less digits than its factorization.

52665353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051194.

The product of its digits is 81000, while the sum is 35.

The square root of 52665353 is about 7257.0898437321. The cubic root of 52665353 is about 374.8363208644.

The spelling of 52665353 in words is "fifty-two million, six hundred sixty-five thousand, three hundred fifty-three".