180055956 has 12 divisors (see below), whose sum is σ = 420130592. Its totient is φ = 60018648.

The previous prime is 180055933. The next prime is 180055987. The reversal of 180055956 is 659550081.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502320 + ... + 7502343.

Almost surely, 2^180055956 is an apocalyptic number.

It is an amenable number.

180055956 is an abundant number, since it is smaller than the sum of its proper divisors (240074636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180055956 is a wasteful number, since it uses less digits than its factorization.

180055956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15004670 (or 15004668 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 180055956 is about 13418.4930599527. The cubic root of 180055956 is about 564.6801186137.

The spelling of 180055956 in words is "one hundred eighty million, fifty-five thousand, nine hundred fifty-six".