56580266 has 8 divisors (see below), whose sum is σ = 85310724. Its totient is φ = 28143360.

The previous prime is 56580263. The next prime is 56580281. The reversal of 56580266 is 66208565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54538225 + 2042041 = 7385^2 + 1429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56580263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72905 + ... + 73676.

Almost surely, 2^56580266 is an apocalyptic number.

56580266 is a deficient number, since it is larger than the sum of its proper divisors (28730458).

56580266 is a wasteful number, since it uses less digits than its factorization.

56580266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146776.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 56580266 is about 7521.9855091591. The cubic root of 56580266 is about 383.9031376421.

The spelling of 56580266 in words is "fifty-six million, five hundred eighty thousand, two hundred sixty-six".