56558601739 has 2 divisors, whose sum is σ = 56558601740. Its totient is φ = 56558601738.

The previous prime is 56558601689. The next prime is 56558601769. The reversal of 56558601739 is 93710685565.

56558601739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56558601739 - 2³⁵ = 22198863371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56558601739.

It is not a weakly prime, because it can be changed into another prime (56558601769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28279300869 + 28279300870.

It is an arithmetic number, because the mean of its divisors is an integer number (28279300870).

Almost surely, 2^56558601739 is an apocalyptic number.

56558601739 is a deficient number, since it is larger than the sum of its proper divisors (1).

56558601739 is an equidigital number, since it uses as much as digits as its factorization.

56558601739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 56558601739 in words is "fifty-six billion, five hundred fifty-eight million, six hundred one thousand, seven hundred thirty-nine".