5555277555278 has 16 divisors (see below), whose sum is σ = 9091289249280. Its totient is φ = 2524894198200.

The previous prime is 5555277555257. The next prime is 5555277555281. The reversal of 5555277555278 is 8725557725555.

It is a super-2 number, since 2×5555277555278² (a number of 26 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 11353118 + ... + 11832321.

It is an arithmetic number, because the mean of its divisors is an integer number (568205578080).

Almost surely, 2^{5555277555278} is an apocalyptic number.

5555277555278 is a deficient number, since it is larger than the sum of its proper divisors (3536011694002).

5555277555278 is a wasteful number, since it uses less digits than its factorization.

5555277555278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23196343.

The product of its digits is 857500000, while the sum is 68.

The spelling of 5555277555278 in words is "five trillion, five hundred fifty-five billion, two hundred seventy-seven million, five hundred fifty-five thousand, two hundred seventy-eight".