55505179 has 4 divisors (see below), whose sum is σ = 55520640. Its totient is φ = 55489720.

The previous prime is 55505161. The next prime is 55505183. The reversal of 55505179 is 97150555.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55505179 - 2⁹ = 55504667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55505129) 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, 774 + ... + 10564.

It is an arithmetic number, because the mean of its divisors is an integer number (13880160).

Almost surely, 2^55505179 is an apocalyptic number.

55505179 is a deficient number, since it is larger than the sum of its proper divisors (15461).

55505179 is an equidigital number, since it uses as much as digits as its factorization.

55505179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15460.

The product of its (nonzero) digits is 39375, while the sum is 37.

The square root of 55505179 is about 7450.1797964881. The cubic root of 55505179 is about 381.4560457850.

The spelling of 55505179 in words is "fifty-five million, five hundred five thousand, one hundred seventy-nine".