55350179809 has 4 divisors (see below), whose sum is σ = 55514424004. Its totient is φ = 55185935616.

The previous prime is 55350179803. The next prime is 55350179813. The reversal of 55350179809 is 90897105355.

55350179809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25020912400 + 30329267409 = 158180^2 + 174153^2 .

It is a cyclic number.

It is not a de Polignac number, because 55350179809 - 2⁵ = 55350179777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55350179803) 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, 82121592 + ... + 82122265.

It is an arithmetic number, because the mean of its divisors is an integer number (13878606001).

Almost surely, 2^55350179809 is an apocalyptic number.

It is an amenable number.

55350179809 is a deficient number, since it is larger than the sum of its proper divisors (164244195).

55350179809 is a wasteful number, since it uses less digits than its factorization.

55350179809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164244194.

The product of its (nonzero) digits is 1701000, while the sum is 52.

The spelling of 55350179809 in words is "fifty-five billion, three hundred fifty million, one hundred seventy-nine thousand, eight hundred nine".