56110666 has 4 divisors (see below), whose sum is σ = 84166002. Its totient is φ = 28055332.

The previous prime is 56110627. The next prime is 56110687. The reversal of 56110666 is 66601165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66601165 = 5 ⋅13320233.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 13535041 = 6525^2 + 3679^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027665 + ... + 14027668.

Almost surely, 2^56110666 is an apocalyptic number.

56110666 is a deficient number, since it is larger than the sum of its proper divisors (28055336).

56110666 is a wasteful number, since it uses less digits than its factorization.

56110666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28055335.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 56110666 is about 7490.7053072458. The cubic root of 56110666 is about 382.8380902987.

The spelling of 56110666 in words is "fifty-six million, one hundred ten thousand, six hundred sixty-six".