54818020 has 24 divisors (see below), whose sum is σ = 115630200. Its totient is φ = 21829632.

The previous prime is 54818017. The next prime is 54818069. The reversal of 54818020 is 2081845.

It can be written as a sum of positive squares in 4 ways, for example, as 6041764 + 48776256 = 2458^2 + 6984^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54818020.

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, 1405 + ... + 10564.

It is an arithmetic number, because the mean of its divisors is an integer number (4817925).

Almost surely, 2^54818020 is an apocalyptic number.

It is an amenable number.

54818020 is an abundant number, since it is smaller than the sum of its proper divisors (60812180).

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

54818020 is a wasteful number, since it uses less digits than its factorization.

54818020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12207 (or 12205 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 54818020 is about 7403.9192324066. The cubic root of 54818020 is about 379.8753515454.

Adding to 54818020 its reverse (2081845), we get a palindrome (56899865).

It can be divided in two parts, 5 and 4818020, that added together give a square (4818025 = 2195²).

The spelling of 54818020 in words is "fifty-four million, eight hundred eighteen thousand, twenty".