56503061066 has 8 divisors (see below), whose sum is σ = 84794708964. Its totient is φ = 28238158080.

The previous prime is 56503061053. The next prime is 56503061077. The reversal of 56503061066 is 66016030565.

It can be written as a sum of positive squares in 2 ways, for example, as 51422365225 + 5080695841 = 226765^2 + 71279^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 6680945 + ... + 6689396.

Almost surely, 2^56503061066 is an apocalyptic number.

56503061066 is a deficient number, since it is larger than the sum of its proper divisors (28291647898).

56503061066 is a wasteful number, since it uses less digits than its factorization.

56503061066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13372456.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 56503061066 in words is "fifty-six billion, five hundred three million, sixty-one thousand, sixty-six".