56657320106 has 4 divisors (see below), whose sum is σ = 84985980162. Its totient is φ = 28328660052.

The previous prime is 56657320103. The next prime is 56657320133. The reversal of 56657320106 is 60102375665.

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., 51555789481 + 5101530625 = 227059^2 + 71425^2 .

It is not an unprimeable number, because it can be changed into a prime (56657320103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14164330025 + ... + 14164330028.

Almost surely, 2^56657320106 is an apocalyptic number.

56657320106 is a deficient number, since it is larger than the sum of its proper divisors (28328660056).

56657320106 is a wasteful number, since it uses less digits than its factorization.

56657320106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28328660055.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 56657320106 in words is "fifty-six billion, six hundred fifty-seven million, three hundred twenty thousand, one hundred six".