56555257063339 has 2 divisors, whose sum is σ = 56555257063340. Its totient is φ = 56555257063338.

The previous prime is 56555257063303. The next prime is 56555257063379. The reversal of 56555257063339 is 93336075255565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56555257063339 - 2²¹ = 56555254966187 is a prime.

It is not a weakly prime, because it can be changed into another prime (56555257063379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277628531669 + 28277628531670.

It is an arithmetic number, because the mean of its divisors is an integer number (28277628531670).

Almost surely, 2^{56555257063339} is an apocalyptic number.

56555257063339 is a deficient number, since it is larger than the sum of its proper divisors (1).

56555257063339 is an equidigital number, since it uses as much as digits as its factorization.

56555257063339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 382725000, while the sum is 64.

The spelling of 56555257063339 in words is "fifty-six trillion, five hundred fifty-five billion, two hundred fifty-seven million, sixty-three thousand, three hundred thirty-nine".