55575340367087 has 2 divisors, whose sum is σ = 55575340367088. Its totient is φ = 55575340367086.

The previous prime is 55575340367021. The next prime is 55575340367123. The reversal of 55575340367087 is 78076304357555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55575340367087 - 2³² = 55571045399791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55575340367017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27787670183543 + 27787670183544.

It is an arithmetic number, because the mean of its divisors is an integer number (27787670183544).

Almost surely, 2^{55575340367087} is an apocalyptic number.

55575340367087 is a deficient number, since it is larger than the sum of its proper divisors (1).

55575340367087 is an equidigital number, since it uses as much as digits as its factorization.

55575340367087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440000, while the sum is 65.

The spelling of 55575340367087 in words is "fifty-five trillion, five hundred seventy-five billion, three hundred forty million, three hundred sixty-seven thousand, eighty-seven".