5555027778055 has 32 divisors (see below), whose sum is σ = 7676112998016. Its totient is φ = 3780283121664.

The previous prime is 5555027777927. The next prime is 5555027778101. The reversal of 5555027778055 is 5508777205555.

It is a happy number.

It is not a de Polignac number, because 5555027778055 - 2⁷ = 5555027777927 is a prime.

It is a super-2 number, since 2×5555027778055² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5555027777984 and 5555027778002.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 16892967 + ... + 17218663.

It is an arithmetic number, because the mean of its divisors is an integer number (239878531188).

Almost surely, 2^{5555027778055} is an apocalyptic number.

5555027778055 is a deficient number, since it is larger than the sum of its proper divisors (2121085219961).

5555027778055 is a wasteful number, since it uses less digits than its factorization.

5555027778055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329403.

The product of its (nonzero) digits is 85750000, while the sum is 61.

The spelling of 5555027778055 in words is "five trillion, five hundred fifty-five billion, twenty-seven million, seven hundred seventy-eight thousand, fifty-five".