56503153171 has 2 divisors, whose sum is σ = 56503153172. Its totient is φ = 56503153170.

The previous prime is 56503153169. The next prime is 56503153183. The reversal of 56503153171 is 17135130565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56503153171 - 2¹ = 56503153169 is a prime.

Together with 56503153169, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 56503153171.

It is not a weakly prime, because it can be changed into another prime (56503153111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28251576585 + 28251576586.

It is an arithmetic number, because the mean of its divisors is an integer number (28251576586).

Almost surely, 2^56503153171 is an apocalyptic number.

56503153171 is a deficient number, since it is larger than the sum of its proper divisors (1).

56503153171 is an equidigital number, since it uses as much as digits as its factorization.

56503153171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 37.

The spelling of 56503153171 in words is "fifty-six billion, five hundred three million, one hundred fifty-three thousand, one hundred seventy-one".