55548180 has 120 divisors (see below), whose sum is σ = 184598568. Its totient is φ = 13934592.

The previous prime is 55548173. The next prime is 55548203. The reversal of 55548180 is 8184555.

55548180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20903184 + 34644996 = 4572^2 + 5886^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 26532 + ... + 28548.

Almost surely, 2^55548180 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 55548180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92299284).

55548180 is an abundant number, since it is smaller than the sum of its proper divisors (129050388).

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

55548180 is a wasteful number, since it uses less digits than its factorization.

55548180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2044 counting only the distinct ones).

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

The square root of 55548180 is about 7453.0651412691. The cubic root of 55548180 is about 381.5545276302.

The spelling of 55548180 in words is "fifty-five million, five hundred forty-eight thousand, one hundred eighty".