52660266 has 16 divisors (see below), whose sum is σ = 105477600. Its totient is φ = 17527248.

The previous prime is 52660253. The next prime is 52660291. The reversal of 52660266 is 66206625.

It is a Curzon number.

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, 1936 + ... + 10443.

It is an arithmetic number, because the mean of its divisors is an integer number (6592350).

Almost surely, 2^52660266 is an apocalyptic number.

52660266 is an abundant number, since it is smaller than the sum of its proper divisors (52817334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52660266 is a wasteful number, since it uses less digits than its factorization.

52660266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13093.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 52660266 is about 7256.7393504245. The cubic root of 52660266 is about 374.8242518687.

The spelling of 52660266 in words is "fifty-two million, six hundred sixty thousand, two hundred sixty-six".