52192666 has 8 divisors (see below), whose sum is σ = 78982164. Its totient is φ = 25865280.

The previous prime is 52192649. The next prime is 52192687. The reversal of 52192666 is 66629125.

52192666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31753225 + 20439441 = 5635^2 + 4521^2 .

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, 115245 + ... + 115696.

Almost surely, 2^52192666 is an apocalyptic number.

52192666 is a deficient number, since it is larger than the sum of its proper divisors (26789498).

52192666 is a wasteful number, since it uses less digits than its factorization.

52192666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231056.

The product of its digits is 38880, while the sum is 37.

The square root of 52192666 is about 7224.4491831558. The cubic root of 52192666 is about 373.7115270070.

The spelling of 52192666 in words is "fifty-two million, one hundred ninety-two thousand, six hundred sixty-six".