56657037011 has 8 divisors (see below), whose sum is σ = 60194552544. Its totient is φ = 53142271360.

The previous prime is 56657036987. The next prime is 56657037013. The reversal of 56657037011 is 11073075665.

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

It is a cyclic number.

It is not a de Polignac number, because 56657037011 - 2¹⁴ = 56657020627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56657037011.

It is not an unprimeable number, because it can be changed into a prime (56657037013) 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 in 7 ways as a sum of consecutive naturals, for example, 5682335 + ... + 5692296.

It is an arithmetic number, because the mean of its divisors is an integer number (7524319068).

Almost surely, 2^56657037011 is an apocalyptic number.

56657037011 is a deficient number, since it is larger than the sum of its proper divisors (3537515533).

56657037011 is a wasteful number, since it uses less digits than its factorization.

56657037011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374941.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 56657037011 in words is "fifty-six billion, six hundred fifty-seven million, thirty-seven thousand, eleven".