55550055719 has 2 divisors, whose sum is σ = 55550055720. Its totient is φ = 55550055718.

The previous prime is 55550055707. The next prime is 55550055767. The reversal of 55550055719 is 91755005555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55550055719 is a prime.

It is a super-2 number, since 2×55550055719² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55550055019) 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, 27775027859 + 27775027860.

It is an arithmetic number, because the mean of its divisors is an integer number (27775027860).

Almost surely, 2^55550055719 is an apocalyptic number.

55550055719 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550055719 is an equidigital number, since it uses as much as digits as its factorization.

55550055719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 984375, while the sum is 47.

The spelling of 55550055719 in words is "fifty-five billion, five hundred fifty million, fifty-five thousand, seven hundred nineteen".