52695866 has 4 divisors (see below), whose sum is σ = 79043802. Its totient is φ = 26347932.

The previous prime is 52695857. The next prime is 52695889. The reversal of 52695866 is 66859625.

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., 49350625 + 3345241 = 7025^2 + 1829^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52695866.

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 as a sum of consecutive naturals, namely, 13173965 + ... + 13173968.

Almost surely, 2^52695866 is an apocalyptic number.

52695866 is a deficient number, since it is larger than the sum of its proper divisors (26347936).

52695866 is a wasteful number, since it uses less digits than its factorization.

52695866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26347935.

The product of its digits is 777600, while the sum is 47.

The square root of 52695866 is about 7259.1918282960. The cubic root of 52695866 is about 374.9086971793.

The spelling of 52695866 in words is "fifty-two million, six hundred ninety-five thousand, eight hundred sixty-six".