55179221135 has 8 divisors (see below), whose sum is σ = 66450707856. Its totient is φ = 43986281920.

The previous prime is 55179221131. The next prime is 55179221173. The reversal of 55179221135 is 53112297155.

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

It is not a de Polignac number, because 55179221135 - 2² = 55179221131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55179221092 and 55179221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55179221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19635329 + ... + 19638138.

It is an arithmetic number, because the mean of its divisors is an integer number (8306338482).

Almost surely, 2^55179221135 is an apocalyptic number.

55179221135 is a deficient number, since it is larger than the sum of its proper divisors (11271486721).

55179221135 is a wasteful number, since it uses less digits than its factorization.

55179221135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39273753.

The product of its digits is 94500, while the sum is 41.

The spelling of 55179221135 in words is "fifty-five billion, one hundred seventy-nine million, two hundred twenty-one thousand, one hundred thirty-five".