55656244265651 has 2 divisors, whose sum is σ = 55656244265652. Its totient is φ = 55656244265650.

The previous prime is 55656244265599. The next prime is 55656244265689. The reversal of 55656244265651 is 15656244265655.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55656244265651 - 2¹⁴ = 55656244249267 is a prime.

It is not a weakly prime, because it can be changed into another prime (55656244265051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27828122132825 + 27828122132826.

It is an arithmetic number, because the mean of its divisors is an integer number (27828122132826).

Almost surely, 2^{55656244265651} is an apocalyptic number.

55656244265651 is a deficient number, since it is larger than the sum of its proper divisors (1).

55656244265651 is an equidigital number, since it uses as much as digits as its factorization.

55656244265651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200000, while the sum is 62.

The spelling of 55656244265651 in words is "fifty-five trillion, six hundred fifty-six billion, two hundred forty-four million, two hundred sixty-five thousand, six hundred fifty-one".