55328179 has 4 divisors (see below), whose sum is σ = 57733776. Its totient is φ = 52922584.

The previous prime is 55328167. The next prime is 55328197. The reversal of 55328179 is 97182355.

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 55328179 - 2¹⁹ = 54803891 is a prime.

It is a super-2 number, since 2×55328179² = 6122414782912082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55328129) 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, 1202764 + ... + 1202809.

It is an arithmetic number, because the mean of its divisors is an integer number (14433444).

Almost surely, 2^55328179 is an apocalyptic number.

55328179 is a deficient number, since it is larger than the sum of its proper divisors (2405597).

55328179 is a wasteful number, since it uses less digits than its factorization.

55328179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405596.

The product of its digits is 75600, while the sum is 40.

The square root of 55328179 is about 7438.2914032727. The cubic root of 55328179 is about 381.0501400200.

The spelling of 55328179 in words is "fifty-five million, three hundred twenty-eight thousand, one hundred seventy-nine".