56165267057 has 4 divisors (see below), whose sum is σ = 56184617280. Its totient is φ = 56145916836.

The previous prime is 56165267051. The next prime is 56165267089. The reversal of 56165267057 is 75076256165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56165267057 - 2¹⁰ = 56165266033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56165266996 and 56165267014.

It is not an unprimeable number, because it can be changed into a prime (56165267051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9670757 + ... + 9676562.

It is an arithmetic number, because the mean of its divisors is an integer number (14046154320).

Almost surely, 2^56165267057 is an apocalyptic number.

It is an amenable number.

56165267057 is a deficient number, since it is larger than the sum of its proper divisors (19350223).

56165267057 is a wasteful number, since it uses less digits than its factorization.

56165267057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19350222.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 56165267057 in words is "fifty-six billion, one hundred sixty-five million, two hundred sixty-seven thousand, fifty-seven".