55355313886178 has 4 divisors (see below), whose sum is σ = 83032970829270. Its totient is φ = 27677656943088.

The previous prime is 55355313886129. The next prime is 55355313886189. The reversal of 55355313886178 is 87168831355355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37103168190169 + 18252145696009 = 6091237^2 + 4272253^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13838828471543 + ... + 13838828471546.

Almost surely, 2^{55355313886178} is an apocalyptic number.

55355313886178 is a deficient number, since it is larger than the sum of its proper divisors (27677656943092).

55355313886178 is a wasteful number, since it uses less digits than its factorization.

55355313886178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27677656943091.

The product of its digits is 362880000, while the sum is 68.

The spelling of 55355313886178 in words is "fifty-five trillion, three hundred fifty-five billion, three hundred thirteen million, eight hundred eighty-six thousand, one hundred seventy-eight".