55425555182878 has 4 divisors (see below), whose sum is σ = 83138332774320. Its totient is φ = 27712777591438.

The previous prime is 55425555182867. The next prime is 55425555182993. The reversal of 55425555182878 is 87828155552455.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13856388795718 + ... + 13856388795721.

It is an arithmetic number, because the mean of its divisors is an integer number (20784583193580).

Almost surely, 2^{55425555182878} is an apocalyptic number.

55425555182878 is a deficient number, since it is larger than the sum of its proper divisors (27712777591442).

55425555182878 is a wasteful number, since it uses less digits than its factorization.

55425555182878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27712777591441.

The product of its digits is 896000000, while the sum is 70.

The spelling of 55425555182878 in words is "fifty-five trillion, four hundred twenty-five billion, five hundred fifty-five million, one hundred eighty-two thousand, eight hundred seventy-eight".