55565830656877 has 8 divisors (see below), whose sum is σ = 56152214789400. Its totient is φ = 54980156865600.

The previous prime is 55565830656857. The next prime is 55565830656893. The reversal of 55565830656877 is 77865603856555.

55565830656877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13674826806601 + 41891003850276 = 3697949^2 + 6472326^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55565830656877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55565830656857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177428038 + ... + 177740935.

It is an arithmetic number, because the mean of its divisors is an integer number (7019026848675).

Almost surely, 2^{55565830656877} is an apocalyptic number.

It is an amenable number.

55565830656877 is a deficient number, since it is larger than the sum of its proper divisors (586384132523).

55565830656877 is a wasteful number, since it uses less digits than its factorization.

55565830656877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355170623.

The product of its (nonzero) digits is 6350400000, while the sum is 76.

The spelling of 55565830656877 in words is "fifty-five trillion, five hundred sixty-five billion, eight hundred thirty million, six hundred fifty-six thousand, eight hundred seventy-seven".