55055054819 has 2 divisors, whose sum is σ = 55055054820. Its totient is φ = 55055054818.

The previous prime is 55055054777. The next prime is 55055054827. The reversal of 55055054819 is 91845055055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55055054819 - 2⁸ = 55055054563 is a prime.

It is a super-2 number, since 2×55055054819² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55055054419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527527409 + 27527527410.

It is an arithmetic number, because the mean of its divisors is an integer number (27527527410).

Almost surely, 2^55055054819 is an apocalyptic number.

55055054819 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055054819 is an equidigital number, since it uses as much as digits as its factorization.

55055054819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900000, while the sum is 47.

The spelling of 55055054819 in words is "fifty-five billion, fifty-five million, fifty-four thousand, eight hundred nineteen".