56615056606 has 4 divisors (see below), whose sum is σ = 84922584912. Its totient is φ = 28307528302.

The previous prime is 56615056571. The next prime is 56615056639. The reversal of 56615056606 is 60665051665.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14153764150 + ... + 14153764153.

It is an arithmetic number, because the mean of its divisors is an integer number (21230646228).

Almost surely, 2^56615056606 is an apocalyptic number.

56615056606 is a deficient number, since it is larger than the sum of its proper divisors (28307528306).

56615056606 is a wasteful number, since it uses less digits than its factorization.

56615056606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28307528305.

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

The spelling of 56615056606 in words is "fifty-six billion, six hundred fifteen million, fifty-six thousand, six hundred six".