56550217223 has 2 divisors, whose sum is σ = 56550217224. Its totient is φ = 56550217222.

The previous prime is 56550217151. The next prime is 56550217247. The reversal of 56550217223 is 32271205565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56550217223 - 2²² = 56546022919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56550216223) 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, 28275108611 + 28275108612.

It is an arithmetic number, because the mean of its divisors is an integer number (28275108612).

Almost surely, 2^56550217223 is an apocalyptic number.

56550217223 is a deficient number, since it is larger than the sum of its proper divisors (1).

56550217223 is an equidigital number, since it uses as much as digits as its factorization.

56550217223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 56550217223 in words is "fifty-six billion, five hundred fifty million, two hundred seventeen thousand, two hundred twenty-three".