55430214 has 64 divisors (see below), whose sum is σ = 130429440. Its totient is φ = 15379200.

The previous prime is 55430203. The next prime is 55430227. The reversal of 55430214 is 41203455.

55430214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 309577 + ... + 309755.

It is an arithmetic number, because the mean of its divisors is an integer number (2037960).

Almost surely, 2^55430214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55430214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65214720).

55430214 is an abundant number, since it is smaller than the sum of its proper divisors (74999226).

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

55430214 is a wasteful number, since it uses less digits than its factorization.

55430214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 55430214 is about 7445.1470099656. The cubic root of 55430214 is about 381.2842375774.

Adding to 55430214 its reverse (41203455), we get a palindrome (96633669).

The spelling of 55430214 in words is "fifty-five million, four hundred thirty thousand, two hundred fourteen".