52647866 has 16 divisors (see below), whose sum is σ = 80137728. Its totient is φ = 25938000.

The previous prime is 52647857. The next prime is 52647871. The reversal of 52647866 is 66874625.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52631 + ... + 53621.

It is an arithmetic number, because the mean of its divisors is an integer number (5008608).

Almost surely, 2^52647866 is an apocalyptic number.

52647866 is a deficient number, since it is larger than the sum of its proper divisors (27489862).

52647866 is a wasteful number, since it uses less digits than its factorization.

52647866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its digits is 483840, while the sum is 44.

The square root of 52647866 is about 7255.8849219099. The cubic root of 52647866 is about 374.7948293968.

The spelling of 52647866 in words is "fifty-two million, six hundred forty-seven thousand, eight hundred sixty-six".