52320266 has 4 divisors (see below), whose sum is σ = 78480402. Its totient is φ = 26160132.

The previous prime is 52320253. The next prime is 52320269. The reversal of 52320266 is 66202325.

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., 40589641 + 11730625 = 6371^2 + 3425^2 .

It is not an unprimeable number, because it can be changed into a prime (52320269) by changing a digit.

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, 13080065 + ... + 13080068.

Almost surely, 2^52320266 is an apocalyptic number.

52320266 is a deficient number, since it is larger than the sum of its proper divisors (26160136).

52320266 is a wasteful number, since it uses less digits than its factorization.

52320266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26160135.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 52320266 is about 7233.2749152787. The cubic root of 52320266 is about 374.0158276352.

The spelling of 52320266 in words is "fifty-two million, three hundred twenty thousand, two hundred sixty-six".