55505050435019 has 2 divisors, whose sum is σ = 55505050435020. Its totient is φ = 55505050435018.

The previous prime is 55505050435013. The next prime is 55505050435027. The reversal of 55505050435019 is 91053405050555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55505050435019 - 2²⁰ = 55505049386443 is a prime.

It is a super-2 number, since 2×55505050435019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55505050435013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752525217509 + 27752525217510.

It is an arithmetic number, because the mean of its divisors is an integer number (27752525217510).

Almost surely, 2^{55505050435019} is an apocalyptic number.

55505050435019 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505050435019 is an equidigital number, since it uses as much as digits as its factorization.

55505050435019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1687500, while the sum is 47.

The spelling of 55505050435019 in words is "fifty-five trillion, five hundred five billion, fifty million, four hundred thirty-five thousand, nineteen".