180609055 has 16 divisors (see below), whose sum is σ = 236847744. Its totient is φ = 131122080.

The previous prime is 180609047. The next prime is 180609061. The reversal of 180609055 is 550906081.

180609055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 180609055 - 2³ = 180609047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 180609055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32812 + ... + 37918.

It is an arithmetic number, because the mean of its divisors is an integer number (14802984).

Almost surely, 2^180609055 is an apocalyptic number.

180609055 is a deficient number, since it is larger than the sum of its proper divisors (56238689).

180609055 is a wasteful number, since it uses less digits than its factorization.

180609055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 180609055 is about 13439.0868365377. The cubic root of 180609055 is about 565.2577256342.

The spelling of 180609055 in words is "one hundred eighty million, six hundred nine thousand, fifty-five".