56056043677 has 2 divisors, whose sum is σ = 56056043678. Its totient is φ = 56056043676.

The previous prime is 56056043623. The next prime is 56056043699. The reversal of 56056043677 is 77634065065.

56056043677 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 can be written as a sum of positive squares in only one way, i.e., 55887796836 + 168246841 = 236406^2 + 12971^2 .

It is a cyclic number.

It is not a de Polignac number, because 56056043677 - 2¹⁹ = 56055519389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56056043677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56096043677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28028021838 + 28028021839.

It is an arithmetic number, because the mean of its divisors is an integer number (28028021839).

Almost surely, 2^56056043677 is an apocalyptic number.

It is an amenable number.

56056043677 is a deficient number, since it is larger than the sum of its proper divisors (1).

56056043677 is an equidigital number, since it uses as much as digits as its factorization.

56056043677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 56056043677 in words is "fifty-six billion, fifty-six million, forty-three thousand, six hundred seventy-seven".