55895806243 has 2 divisors, whose sum is σ = 55895806244. Its totient is φ = 55895806242.

The previous prime is 55895806207. The next prime is 55895806259. The reversal of 55895806243 is 34260859855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55895806243 - 2⁹ = 55895805731 is a prime.

It is not a weakly prime, because it can be changed into another prime (55896806243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27947903121 + 27947903122.

It is an arithmetic number, because the mean of its divisors is an integer number (27947903122).

Almost surely, 2^55895806243 is an apocalyptic number.

55895806243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55895806243 is an equidigital number, since it uses as much as digits as its factorization.

55895806243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 55895806243 in words is "fifty-five billion, eight hundred ninety-five million, eight hundred six thousand, two hundred forty-three".