180000054 has 24 divisors (see below), whose sum is σ = 420000672. Its totient is φ = 55384560.

The previous prime is 180000049. The next prime is 180000061. The reversal of 180000054 is 450000081.

It is a Harshad number since it is a multiple of its sum of digits (18).

180000054 is a modest number, since divided by 54 gives 18 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 179999991 and 180000036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384382 + ... + 384849.

It is an arithmetic number, because the mean of its divisors is an integer number (17500028).

Almost surely, 2^180000054 is an apocalyptic number.

180000054 is an abundant number, since it is smaller than the sum of its proper divisors (240000618).

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

180000054 is a wasteful number, since it uses less digits than its factorization.

180000054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769252 (or 769249 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 180000054 is about 13416.4098774598. The cubic root of 180000054 is about 564.6216737908.

The spelling of 180000054 in words is "one hundred eighty million, fifty-four", and thus it is an aban number.