54865086577487 has 2 divisors, whose sum is σ = 54865086577488. Its totient is φ = 54865086577486.

The previous prime is 54865086577319. The next prime is 54865086577501. The reversal of 54865086577487 is 78477568056845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54865086577487 - 2²² = 54865082383183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54865086547487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27432543288743 + 27432543288744.

It is an arithmetic number, because the mean of its divisors is an integer number (27432543288744).

Almost surely, 2^{54865086577487} is an apocalyptic number.

54865086577487 is a deficient number, since it is larger than the sum of its proper divisors (1).

54865086577487 is an equidigital number, since it uses as much as digits as its factorization.

54865086577487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12644352000, while the sum is 80.

The spelling of 54865086577487 in words is "fifty-four trillion, eight hundred sixty-five billion, eighty-six million, five hundred seventy-seven thousand, four hundred eighty-seven".