56310266 has 4 divisors (see below), whose sum is σ = 84465402. Its totient is φ = 28155132.

The previous prime is 56310253. The next prime is 56310269. The reversal of 56310266 is 66201365.

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., 35343025 + 20967241 = 5945^2 + 4579^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56310269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14077565 + ... + 14077568.

Almost surely, 2^56310266 is an apocalyptic number.

56310266 is a deficient number, since it is larger than the sum of its proper divisors (28155136).

56310266 is a wasteful number, since it uses less digits than its factorization.

56310266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28155135.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 56310266 is about 7504.0166577640. The cubic root of 56310266 is about 383.2915041104.

The spelling of 56310266 in words is "fifty-six million, three hundred ten thousand, two hundred sixty-six".