55548042899 has 2 divisors, whose sum is σ = 55548042900. Its totient is φ = 55548042898.

The previous prime is 55548042863. The next prime is 55548042947. The reversal of 55548042899 is 99824084555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55548042899 is a prime.

It is not a weakly prime, because it can be changed into another prime (55548042829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27774021449 + 27774021450.

It is an arithmetic number, because the mean of its divisors is an integer number (27774021450).

Almost surely, 2^55548042899 is an apocalyptic number.

55548042899 is a deficient number, since it is larger than the sum of its proper divisors (1).

55548042899 is an equidigital number, since it uses as much as digits as its factorization.

55548042899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 59.

The spelling of 55548042899 in words is "fifty-five billion, five hundred forty-eight million, forty-two thousand, eight hundred ninety-nine".