55179066097155 has 128 divisors (see below), whose sum is σ = 118543218425856. Its totient is φ = 21166755724800.

The previous prime is 55179066097117. The next prime is 55179066097159.

55179066097155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55179066097155 - 2²⁷ = 55178931879427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55179066097159) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 488396482 + ... + 488509448.

It is an arithmetic number, because the mean of its divisors is an integer number (926118893952).

Almost surely, 2^{55179066097155} is an apocalyptic number.

55179066097155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55179066097155 is an abundant number, since it is smaller than the sum of its proper divisors (63364152328701).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55179066097155 is a wasteful number, since it uses less digits than its factorization.

55179066097155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145537.

The product of its (nonzero) digits is 89302500, while the sum is 66.

The spelling of 55179066097155 in words is "fifty-five trillion, one hundred seventy-nine billion, sixty-six million, ninety-seven thousand, one hundred fifty-five".