55018863199 has 2 divisors, whose sum is σ = 55018863200. Its totient is φ = 55018863198.

The previous prime is 55018863169. The next prime is 55018863259. The reversal of 55018863199 is 99136881055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55018863199 - 2⁷ = 55018863071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55018863149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27509431599 + 27509431600.

It is an arithmetic number, because the mean of its divisors is an integer number (27509431600).

Almost surely, 2^55018863199 is an apocalyptic number.

55018863199 is a deficient number, since it is larger than the sum of its proper divisors (1).

55018863199 is an equidigital number, since it uses as much as digits as its factorization.

55018863199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 55.

The spelling of 55018863199 in words is "fifty-five billion, eighteen million, eight hundred sixty-three thousand, one hundred ninety-nine".