56657605306 has 4 divisors (see below), whose sum is σ = 84986407962. Its totient is φ = 28328802652.

The previous prime is 56657605259. The next prime is 56657605327. The reversal of 56657605306 is 60350675665.

56657605306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 56527440025 + 130165281 = 237755^2 + 11409^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 56657605306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14164401325 + ... + 14164401328.

Almost surely, 2^56657605306 is an apocalyptic number.

56657605306 is a deficient number, since it is larger than the sum of its proper divisors (28328802656).

56657605306 is a wasteful number, since it uses less digits than its factorization.

56657605306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28328802655.

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 56657605306 in words is "fifty-six billion, six hundred fifty-seven million, six hundred five thousand, three hundred six".