52650866 has 4 divisors (see below), whose sum is σ = 78976302. Its totient is φ = 26325432.

The previous prime is 52650827. The next prime is 52650883. The reversal of 52650866 is 66805625.

It is a happy number.

52650866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52200625 + 450241 = 7225^2 + 671^2 .

It is a super-2 number, since 2×52650866² = 5544227381099912, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 13162715 + ... + 13162718.

Almost surely, 2^52650866 is an apocalyptic number.

52650866 is a deficient number, since it is larger than the sum of its proper divisors (26325436).

52650866 is a wasteful number, since it uses less digits than its factorization.

52650866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26325435.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 52650866 is about 7256.0916477123. The cubic root of 52650866 is about 374.8019481604.

The spelling of 52650866 in words is "fifty-two million, six hundred fifty thousand, eight hundred sixty-six".