54555140346479 has 2 divisors, whose sum is σ = 54555140346480. Its totient is φ = 54555140346478.

The previous prime is 54555140346463. The next prime is 54555140346547. The reversal of 54555140346479 is 97464304155545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54555140346479 - 2⁴ = 54555140346463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54555140346449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27277570173239 + 27277570173240.

It is an arithmetic number, because the mean of its divisors is an integer number (27277570173240).

Almost surely, 2^{54555140346479} is an apocalyptic number.

54555140346479 is a deficient number, since it is larger than the sum of its proper divisors (1).

54555140346479 is an equidigital number, since it uses as much as digits as its factorization.

54555140346479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440000, while the sum is 62.

The spelling of 54555140346479 in words is "fifty-four trillion, five hundred fifty-five billion, one hundred forty million, three hundred forty-six thousand, four hundred seventy-nine".