55864904425087 has 2 divisors, whose sum is σ = 55864904425088. Its totient is φ = 55864904425086.

The previous prime is 55864904425051. The next prime is 55864904425133. The reversal of 55864904425087 is 78052440946855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55864904425087 - 2²⁷ = 55864770207359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55864904425487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27932452212543 + 27932452212544.

It is an arithmetic number, because the mean of its divisors is an integer number (27932452212544).

Almost surely, 2^{55864904425087} is an apocalyptic number.

55864904425087 is a deficient number, since it is larger than the sum of its proper divisors (1).

55864904425087 is an equidigital number, since it uses as much as digits as its factorization.

55864904425087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072000, while the sum is 67.

The spelling of 55864904425087 in words is "fifty-five trillion, eight hundred sixty-four billion, nine hundred four million, four hundred twenty-five thousand, eighty-seven".