5555550255278 has 8 divisors (see below), whose sum is σ = 8527123647768. Its totient is φ = 2713175706024.

The previous prime is 5555550255251. The next prime is 5555550255319. The reversal of 5555550255278 is 8725520555555.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 32299710701 + ... + 32299710872.

It is an arithmetic number, because the mean of its divisors is an integer number (1065890455971).

Almost surely, 2^{5555550255278} is an apocalyptic number.

5555550255278 is a deficient number, since it is larger than the sum of its proper divisors (2971573392490).

5555550255278 is a wasteful number, since it uses less digits than its factorization.

5555550255278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64599421618.

The product of its (nonzero) digits is 87500000, while the sum is 59.

The spelling of 5555550255278 in words is "five trillion, five hundred fifty-five billion, five hundred fifty million, two hundred fifty-five thousand, two hundred seventy-eight".