55139143179 has 8 divisors (see below), whose sum is σ = 73698611920. Its totient is φ = 36669551616.

The previous prime is 55139143177. The next prime is 55139143201. The reversal of 55139143179 is 97134193155.

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

It is not a de Polignac number, because 55139143179 - 2¹ = 55139143177 is a prime.

It is a super-2 number, since 2×55139143179² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55139143177) 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, 22467862 + ... + 22470315.

It is an arithmetic number, because the mean of its divisors is an integer number (9212326490).

Almost surely, 2^55139143179 is an apocalyptic number.

55139143179 is a deficient number, since it is larger than the sum of its proper divisors (18559468741).

55139143179 is a wasteful number, since it uses less digits than its factorization.

55139143179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44938589.

The product of its digits is 510300, while the sum is 48.

The spelling of 55139143179 in words is "fifty-five billion, one hundred thirty-nine million, one hundred forty-three thousand, one hundred seventy-nine".