52523666 has 16 divisors (see below), whose sum is σ = 85322328. Its totient is φ = 24105600.

The previous prime is 52523633. The next prime is 52523711. The reversal of 52523666 is 66632525.

It can be written as a sum of positive squares in 4 ways, for example, as 5313025 + 47210641 = 2305^2 + 6871^2 .

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 7 ways as a sum of consecutive naturals, for example, 875 + ... + 10286.

Almost surely, 2^52523666 is an apocalyptic number.

52523666 is a deficient number, since it is larger than the sum of its proper divisors (32798662).

52523666 is a wasteful number, since it uses less digits than its factorization.

52523666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357.

The product of its digits is 64800, while the sum is 35.

The square root of 52523666 is about 7247.3212982453. The cubic root of 52523666 is about 374.4998749259.

The spelling of 52523666 in words is "fifty-two million, five hundred twenty-three thousand, six hundred sixty-six".