54308218 has 16 divisors (see below), whose sum is σ = 85883904. Its totient is φ = 25717680.

The previous prime is 54308203. The next prime is 54308237. The reversal of 54308218 is 81280345.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 54308218.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6405 + ... + 12232.

It is an arithmetic number, because the mean of its divisors is an integer number (5367744).

Almost surely, 2^54308218 is an apocalyptic number.

54308218 is a deficient number, since it is larger than the sum of its proper divisors (31575686).

54308218 is a wasteful number, since it uses less digits than its factorization.

54308218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18717.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 54308218 is about 7369.4109669634. The cubic root of 54308218 is about 378.6940813582.

The spelling of 54308218 in words is "fifty-four million, three hundred eight thousand, two hundred eighteen".