56555076191 has 2 divisors, whose sum is σ = 56555076192. Its totient is φ = 56555076190.

The previous prime is 56555076143. The next prime is 56555076197. The reversal of 56555076191 is 19167055565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56555076191 - 2¹⁰ = 56555075167 is a prime.

It is a super-3 number, since 3×56555076191³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56555076197) 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 as a sum of consecutive naturals, namely, 28277538095 + 28277538096.

It is an arithmetic number, because the mean of its divisors is an integer number (28277538096).

Almost surely, 2^56555076191 is an apocalyptic number.

56555076191 is a deficient number, since it is larger than the sum of its proper divisors (1).

56555076191 is an equidigital number, since it uses as much as digits as its factorization.

56555076191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417500, while the sum is 50.

The spelling of 56555076191 in words is "fifty-six billion, five hundred fifty-five million, seventy-six thousand, one hundred ninety-one".