56556323051 has 2 divisors, whose sum is σ = 56556323052. Its totient is φ = 56556323050.

The previous prime is 56556323009. The next prime is 56556323111. The reversal of 56556323051 is 15032365565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56556323051 - 2¹⁰ = 56556322027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56556326051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28278161525 + 28278161526.

It is an arithmetic number, because the mean of its divisors is an integer number (28278161526).

Almost surely, 2^56556323051 is an apocalyptic number.

56556323051 is a deficient number, since it is larger than the sum of its proper divisors (1).

56556323051 is an equidigital number, since it uses as much as digits as its factorization.

56556323051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 56556323051 in words is "fifty-six billion, five hundred fifty-six million, three hundred twenty-three thousand, fifty-one".