55500555055499 has 2 divisors, whose sum is σ = 55500555055500. Its totient is φ = 55500555055498.

The previous prime is 55500555055459. The next prime is 55500555055571. The reversal of 55500555055499 is 99455055500555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55500555055499 is a prime.

It is a super-2 number, since 2×55500555055499² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55500555055409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750277527749 + 27750277527750.

It is an arithmetic number, because the mean of its divisors is an integer number (27750277527750).

Almost surely, 2^{55500555055499} is an apocalyptic number.

55500555055499 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500555055499 is an equidigital number, since it uses as much as digits as its factorization.

55500555055499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126562500, while the sum is 62.

The spelling of 55500555055499 in words is "fifty-five trillion, five hundred billion, five hundred fifty-five million, fifty-five thousand, four hundred ninety-nine".