56060666 has 4 divisors (see below), whose sum is σ = 84091002. Its totient is φ = 28030332.

The previous prime is 56060663. The next prime is 56060671. The reversal of 56060666 is 66606065.

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., 53071225 + 2989441 = 7285^2 + 1729^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56060663) by changing a digit.

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 as a sum of consecutive naturals, namely, 14015165 + ... + 14015168.

Almost surely, 2^56060666 is an apocalyptic number.

56060666 is a deficient number, since it is larger than the sum of its proper divisors (28030336).

56060666 is a wasteful number, since it uses less digits than its factorization.

56060666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28030335.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 56060666 is about 7487.3670939790. The cubic root of 56060666 is about 382.7243413186.

The spelling of 56060666 in words is "fifty-six million, sixty thousand, six hundred sixty-six".