18320054 has 16 divisors (see below), whose sum is σ = 28559520. Its totient is φ = 8803200.

The previous prime is 18320041. The next prime is 18320063. The reversal of 18320054 is 45002381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14654 + ... + 15854.

It is an arithmetic number, because the mean of its divisors is an integer number (1784970).

Almost surely, 2^18320054 is an apocalyptic number.

18320054 is a deficient number, since it is larger than the sum of its proper divisors (10239466).

18320054 is a wasteful number, since it uses less digits than its factorization.

18320054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 18320054 is about 4280.1932199376. The cubic root of 18320054 is about 263.6183170510.

The spelling of 18320054 in words is "eighteen million, three hundred twenty thousand, fifty-four".