56120666 has 8 divisors (see below), whose sum is σ = 96206880. Its totient is φ = 24051708.

The previous prime is 56120651. The next prime is 56120707. The reversal of 56120666 is 66602165.

56120666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004296 + ... + 2004323.

It is an arithmetic number, because the mean of its divisors is an integer number (12025860).

Almost surely, 2^56120666 is an apocalyptic number.

56120666 is a deficient number, since it is larger than the sum of its proper divisors (40086214).

56120666 is a wasteful number, since it uses less digits than its factorization.

56120666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008628.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 56120666 is about 7491.3727713951. The cubic root of 56120666 is about 382.8608319851.

The spelling of 56120666 in words is "fifty-six million, one hundred twenty thousand, six hundred sixty-six".