56558271427 has 4 divisors (see below), whose sum is σ = 64638024496. Its totient is φ = 48478518360.

The previous prime is 56558271401. The next prime is 56558271479. The reversal of 56558271427 is 72417285565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72417285565 = 5 ⋅14483457113.

It is a cyclic number.

It is not a de Polignac number, because 56558271427 - 2¹⁹ = 56557747139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56558277427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4039876524 + ... + 4039876537.

It is an arithmetic number, because the mean of its divisors is an integer number (16159506124).

Almost surely, 2^56558271427 is an apocalyptic number.

56558271427 is a deficient number, since it is larger than the sum of its proper divisors (8079753069).

56558271427 is an equidigital number, since it uses as much as digits as its factorization.

56558271427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079753068.

The product of its digits is 4704000, while the sum is 52.

The spelling of 56558271427 in words is "fifty-six billion, five hundred fifty-eight million, two hundred seventy-one thousand, four hundred twenty-seven".