56055601123 has 2 divisors, whose sum is σ = 56055601124. Its totient is φ = 56055601122.

The previous prime is 56055601073. The next prime is 56055601153. The reversal of 56055601123 is 32110655065.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56055601123 is a prime.

It is a super-2 number, since 2×56055601123² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56055601153) 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, 28027800561 + 28027800562.

It is an arithmetic number, because the mean of its divisors is an integer number (28027800562).

Almost surely, 2^56055601123 is an apocalyptic number.

56055601123 is a deficient number, since it is larger than the sum of its proper divisors (1).

56055601123 is an equidigital number, since it uses as much as digits as its factorization.

56055601123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 56055601123 in words is "fifty-six billion, fifty-five million, six hundred one thousand, one hundred twenty-three".