56580454123 has 4 divisors (see below), whose sum is σ = 56612843080. Its totient is φ = 56548065168.

The previous prime is 56580454093. The next prime is 56580454193. The reversal of 56580454123 is 32145408565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32145408565 = 5 ⋅6429081713.

It is a cyclic number.

It is not a de Polignac number, because 56580454123 - 2²⁵ = 56546899691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56580454123.

It is not an unprimeable number, because it can be changed into a prime (56580454193) 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, 16191858 + ... + 16195351.

It is an arithmetic number, because the mean of its divisors is an integer number (14153210770).

Almost surely, 2^56580454123 is an apocalyptic number.

56580454123 is a deficient number, since it is larger than the sum of its proper divisors (32388957).

56580454123 is a wasteful number, since it uses less digits than its factorization.

56580454123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32388956.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 56580454123 in words is "fifty-six billion, five hundred eighty million, four hundred fifty-four thousand, one hundred twenty-three".