54950320668653 has 2 divisors, whose sum is σ = 54950320668654. Its totient is φ = 54950320668652.

The previous prime is 54950320668643. The next prime is 54950320668701. The reversal of 54950320668653 is 35686602305945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28837791426889 + 26112529241764 = 5370083^2 + 5110042^2 .

It is a cyclic number.

It is not a de Polignac number, because 54950320668653 - 2⁶ = 54950320668589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54950320668643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27475160334326 + 27475160334327.

It is an arithmetic number, because the mean of its divisors is an integer number (27475160334327).

Almost surely, 2^{54950320668653} is an apocalyptic number.

It is an amenable number.

54950320668653 is a deficient number, since it is larger than the sum of its proper divisors (1).

54950320668653 is an equidigital number, since it uses as much as digits as its factorization.

54950320668653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968000, while the sum is 62.

The spelling of 54950320668653 in words is "fifty-four trillion, nine hundred fifty billion, three hundred twenty million, six hundred sixty-eight thousand, six hundred fifty-three".