54345173223091 has 2 divisors, whose sum is σ = 54345173223092. Its totient is φ = 54345173223090.

The previous prime is 54345173223067. The next prime is 54345173223169. The reversal of 54345173223091 is 19032237154345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54345173223091 - 2²¹ = 54345171125939 is a prime.

It is not a weakly prime, because it can be changed into another prime (54345173224091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27172586611545 + 27172586611546.

It is an arithmetic number, because the mean of its divisors is an integer number (27172586611546).

Almost surely, 2^{54345173223091} is an apocalyptic number.

54345173223091 is a deficient number, since it is larger than the sum of its proper divisors (1).

54345173223091 is an equidigital number, since it uses as much as digits as its factorization.

54345173223091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 54345173223091 in words is "fifty-four trillion, three hundred forty-five billion, one hundred seventy-three million, two hundred twenty-three thousand, ninety-one".