55500060100019 has 2 divisors, whose sum is σ = 55500060100020. Its totient is φ = 55500060100018.

The previous prime is 55500060099989. The next prime is 55500060100091. The reversal of 55500060100019 is 91000106000555.

Together with next prime (55500060100091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55500060100019 is a prime.

It is a super-2 number, since 2×55500060100019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55500060100519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750030050009 + 27750030050010.

It is an arithmetic number, because the mean of its divisors is an integer number (27750030050010).

Almost surely, 2^{55500060100019} is an apocalyptic number.

55500060100019 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500060100019 is an equidigital number, since it uses as much as digits as its factorization.

55500060100019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 55500060100019 in words is "fifty-five trillion, five hundred billion, sixty million, one hundred thousand, nineteen".