56662552009 has 8 divisors (see below), whose sum is σ = 64855176128. Its totient is φ = 48494421360.

The previous prime is 56662552007. The next prime is 56662552013. The reversal of 56662552009 is 90025526665.

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

It is not a de Polignac number, because 56662552009 - 2¹ = 56662552007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56662552009.

It is not an unprimeable number, because it can be changed into a prime (56662552003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6118407 + ... + 6127660.

It is an arithmetic number, because the mean of its divisors is an integer number (8106897016).

Almost surely, 2^56662552009 is an apocalyptic number.

It is an amenable number.

56662552009 is a deficient number, since it is larger than the sum of its proper divisors (8192624119).

56662552009 is a wasteful number, since it uses less digits than its factorization.

56662552009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246735.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 56662552009 in words is "fifty-six billion, six hundred sixty-two million, five hundred fifty-two thousand, nine".