53346665 has 4 divisors (see below), whose sum is σ = 64016004. Its totient is φ = 42677328.

The previous prime is 53346653. The next prime is 53346677. The reversal of 53346665 is 56664335.

It is a happy number.

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 (53346653) and next prime (53346677).

It can be written as a sum of positive squares in 2 ways, for example, as 13366336 + 39980329 = 3656^2 + 6323^2 .

It is a cyclic number.

It is not a de Polignac number, because 53346665 - 2¹⁰ = 53345641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 5334662 + ... + 5334671.

It is an arithmetic number, because the mean of its divisors is an integer number (16004001).

Almost surely, 2^53346665 is an apocalyptic number.

It is an amenable number.

53346665 is a deficient number, since it is larger than the sum of its proper divisors (10669339).

53346665 is a wasteful number, since it uses less digits than its factorization.

53346665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10669338.

The product of its digits is 194400, while the sum is 38.

The square root of 53346665 is about 7303.8801331895. The cubic root of 53346665 is about 376.4457728861.

The spelling of 53346665 in words is "fifty-three million, three hundred forty-six thousand, six hundred sixty-five".