55548963859 has 2 divisors, whose sum is σ = 55548963860. Its totient is φ = 55548963858.

The previous prime is 55548963851. The next prime is 55548963881. The reversal of 55548963859 is 95836984555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55548963859 - 2³ = 55548963851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55548963794 and 55548963803.

It is not a weakly prime, because it can be changed into another prime (55548963851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27774481929 + 27774481930.

It is an arithmetic number, because the mean of its divisors is an integer number (27774481930).

Almost surely, 2^55548963859 is an apocalyptic number.

55548963859 is a deficient number, since it is larger than the sum of its proper divisors (1).

55548963859 is an equidigital number, since it uses as much as digits as its factorization.

55548963859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280000, while the sum is 67.

The spelling of 55548963859 in words is "fifty-five billion, five hundred forty-eight million, nine hundred sixty-three thousand, eight hundred fifty-nine".