54648688684643 has 2 divisors, whose sum is σ = 54648688684644. Its totient is φ = 54648688684642.

The previous prime is 54648688684633. The next prime is 54648688684747. The reversal of 54648688684643 is 34648688684645.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54648688684643 is a prime.

It is not a weakly prime, because it can be changed into another prime (54648688684633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27324344342321 + 27324344342322.

It is an arithmetic number, because the mean of its divisors is an integer number (27324344342322).

Almost surely, 2^{54648688684643} is an apocalyptic number.

54648688684643 is a deficient number, since it is larger than the sum of its proper divisors (1).

54648688684643 is an equidigital number, since it uses as much as digits as its factorization.

54648688684643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20384317440, while the sum is 80.

The spelling of 54648688684643 in words is "fifty-four trillion, six hundred forty-eight billion, six hundred eighty-eight million, six hundred eighty-four thousand, six hundred forty-three".