55542179179 has 4 divisors (see below), whose sum is σ = 55550554384. Its totient is φ = 55533803976.

The previous prime is 55542179167. The next prime is 55542179227. The reversal of 55542179179 is 97197124555.

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

It is a cyclic number.

It is not a de Polignac number, because 55542179179 - 2¹³ = 55542170987 is a prime.

It is a super-2 number, since 2×55542179179² (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 (55542177179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4177647 + ... + 4190920.

It is an arithmetic number, because the mean of its divisors is an integer number (13887638596).

Almost surely, 2^55542179179 is an apocalyptic number.

55542179179 is a deficient number, since it is larger than the sum of its proper divisors (8375205).

55542179179 is an equidigital number, since it uses as much as digits as its factorization.

55542179179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8375204.

The product of its digits is 3969000, while the sum is 55.

The spelling of 55542179179 in words is "fifty-five billion, five hundred forty-two million, one hundred seventy-nine thousand, one hundred seventy-nine".