54611243220697 has 2 divisors, whose sum is σ = 54611243220698. Its totient is φ = 54611243220696.

The previous prime is 54611243220691. The next prime is 54611243220701. The reversal of 54611243220697 is 79602234211645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46106530852041 + 8504712368656 = 6790179^2 + 2916284^2 .

It is a cyclic number.

It is not a de Polignac number, because 54611243220697 - 2³⁹ = 54061487406809 is a prime.

It is a super-2 number, since 2×54611243220697² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54611243220691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27305621610348 + 27305621610349.

It is an arithmetic number, because the mean of its divisors is an integer number (27305621610349).

Almost surely, 2^{54611243220697} is an apocalyptic number.

It is an amenable number.

54611243220697 is a deficient number, since it is larger than the sum of its proper divisors (1).

54611243220697 is an equidigital number, since it uses as much as digits as its factorization.

54611243220697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 54611243220697 in words is "fifty-four trillion, six hundred eleven billion, two hundred forty-three million, two hundred twenty thousand, six hundred ninety-seven".