54505818 has 32 divisors (see below), whose sum is σ = 123117120. Its totient is φ = 17869680.

The previous prime is 54505817. The next prime is 54505823. The reversal of 54505818 is 81850545.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54505817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4980 + ... + 11567.

It is an arithmetic number, because the mean of its divisors is an integer number (3847410).

Almost surely, 2^54505818 is an apocalyptic number.

54505818 is an abundant number, since it is smaller than the sum of its proper divisors (68611302).

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

54505818 is a wasteful number, since it uses less digits than its factorization.

54505818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16619 (or 16613 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 54505818 is about 7382.8055642825. The cubic root of 54505818 is about 379.1528171946.

The spelling of 54505818 in words is "fifty-four million, five hundred five thousand, eight hundred eighteen".