52916665 has 8 divisors (see below), whose sum is σ = 67235400. Its totient is φ = 39843072.

The previous prime is 52916663. The next prime is 52916681. The reversal of 52916665 is 56661925.

It can be written as a sum of positive squares in 4 ways, for example, as 23464336 + 29452329 = 4844^2 + 5427^2 .

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 52916665 - 2¹ = 52916663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52916663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311190 + ... + 311359.

It is an arithmetic number, because the mean of its divisors is an integer number (8404425).

Almost surely, 2^52916665 is an apocalyptic number.

It is an amenable number.

52916665 is a deficient number, since it is larger than the sum of its proper divisors (14318735).

52916665 is a wasteful number, since it uses less digits than its factorization.

52916665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622571.

The product of its digits is 97200, while the sum is 40.

The square root of 52916665 is about 7274.3841663745. The cubic root of 52916665 is about 375.4315978863.

The spelling of 52916665 in words is "fifty-two million, nine hundred sixteen thousand, six hundred sixty-five".