55546004999 has 2 divisors, whose sum is σ = 55546005000. Its totient is φ = 55546004998.

The previous prime is 55546004977. The next prime is 55546005001. The reversal of 55546004999 is 99940064555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55546004999 is a prime.

Together with 55546005001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55546004099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27773002499 + 27773002500.

It is an arithmetic number, because the mean of its divisors is an integer number (27773002500).

Almost surely, 2^55546004999 is an apocalyptic number.

55546004999 is a deficient number, since it is larger than the sum of its proper divisors (1).

55546004999 is an equidigital number, since it uses as much as digits as its factorization.

55546004999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 55546004999 in words is "fifty-five billion, five hundred forty-six million, four thousand, nine hundred ninety-nine".