55450170 has 96 divisors (see below), whose sum is σ = 157510080. Its totient is φ = 13996800.

The previous prime is 55450169. The next prime is 55450193. The reversal of 55450170 is 7105455.

55450170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 45570 + ... + 46770.

It is an arithmetic number, because the mean of its divisors is an integer number (1640730).

Almost surely, 2^55450170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55450170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78755040).

55450170 is an abundant number, since it is smaller than the sum of its proper divisors (102059910).

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

55450170 is a wasteful number, since it uses less digits than its factorization.

55450170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 55450170 is about 7446.4870912397. The cubic root of 55450170 is about 381.3299887707.

The spelling of 55450170 in words is "fifty-five million, four hundred fifty thousand, one hundred seventy".