52309666 has 8 divisors (see below), whose sum is σ = 78602220. Its totient is φ = 26108928.

The previous prime is 52309651. The next prime is 52309681. The reversal of 52309666 is 66690325.

52309666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52309651) and next prime (52309681).

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 7700625 = 6679^2 + 2775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21511 + ... + 23818.

Almost surely, 2^52309666 is an apocalyptic number.

52309666 is a deficient number, since it is larger than the sum of its proper divisors (26292554).

52309666 is a wasteful number, since it uses less digits than its factorization.

52309666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45908.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 52309666 is about 7232.5421533511. The cubic root of 52309666 is about 373.9905675984.

It can be divided in two parts, 52309 and 666, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 52309666 in words is "fifty-two million, three hundred nine thousand, six hundred sixty-six".