54520180 has 72 divisors (see below), whose sum is σ = 135605736. Its totient is φ = 18289920.

The previous prime is 54520171. The next prime is 54520181. The reversal of 54520180 is 8102545.

It can be written as a sum of positive squares in 4 ways, for example, as 527076 + 53993104 = 726^2 + 7348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54520181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30594 + ... + 32326.

It is an arithmetic number, because the mean of its divisors is an integer number (1883413).

Almost surely, 2^54520180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54520180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67802868).

54520180 is an abundant number, since it is smaller than the sum of its proper divisors (81085556).

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

54520180 is a wasteful number, since it uses less digits than its factorization.

54520180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 54520180 is about 7383.7781656818. The cubic root of 54520180 is about 379.1861158696.

The spelling of 54520180 in words is "fifty-four million, five hundred twenty thousand, one hundred eighty".