55127979718 has 16 divisors (see below), whose sum is σ = 94508223264. Its totient is φ = 23625498240.

The previous prime is 55127979707. The next prime is 55127979727. The reversal of 55127979718 is 81797972155.

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, 636046 + ... + 717502.

It is an arithmetic number, because the mean of its divisors is an integer number (5906763954).

Almost surely, 2^55127979718 is an apocalyptic number.

55127979718 is a deficient number, since it is larger than the sum of its proper divisors (39380243546).

55127979718 is a wasteful number, since it uses less digits than its factorization.

55127979718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129807.

The product of its digits is 11113200, while the sum is 61.

The spelling of 55127979718 in words is "fifty-five billion, one hundred twenty-seven million, nine hundred seventy-nine thousand, seven hundred eighteen".