56486545177 has 2 divisors, whose sum is σ = 56486545178. Its totient is φ = 56486545176.

The previous prime is 56486545123. The next prime is 56486545211. The reversal of 56486545177 is 77154568465.

56486545177 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., 52439168016 + 4047377161 = 228996^2 + 63619^2 .

It is a cyclic number.

It is not a de Polignac number, because 56486545177 - 2¹¹ = 56486543129 is a prime.

It is a super-2 number, since 2×56486545177² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56486545117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28243272588 + 28243272589.

It is an arithmetic number, because the mean of its divisors is an integer number (28243272589).

Almost surely, 2^56486545177 is an apocalyptic number.

It is an amenable number.

56486545177 is a deficient number, since it is larger than the sum of its proper divisors (1).

56486545177 is an equidigital number, since it uses as much as digits as its factorization.

56486545177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224000, while the sum is 58.

The spelling of 56486545177 in words is "fifty-six billion, four hundred eighty-six million, five hundred forty-five thousand, one hundred seventy-seven".