55485120 has 112 divisors (see below), whose sum is σ = 182331360. Its totient is φ = 14278656.

The previous prime is 55485119. The next prime is 55485139. The reversal of 55485120 is 2158455.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26844 + ... + 28836.

Almost surely, 2^55485120 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 55485120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91165680).

55485120 is an abundant number, since it is smaller than the sum of its proper divisors (126846240).

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

55485120 is a wasteful number, since it uses less digits than its factorization.

55485120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 55485120 is about 7448.8334657180. The cubic root of 55485120 is about 381.4100888197.

The spelling of 55485120 in words is "fifty-five million, four hundred eighty-five thousand, one hundred twenty".