55431214 has 8 divisors (see below), whose sum is σ = 85080600. Its totient is φ = 27071016.

The previous prime is 55431199. The next prime is 55431223. The reversal of 55431214 is 41213455.

It is a happy number.

55431214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 322189 + ... + 322360.

It is an arithmetic number, because the mean of its divisors is an integer number (10635075).

Almost surely, 2^55431214 is an apocalyptic number.

55431214 is a deficient number, since it is larger than the sum of its proper divisors (29649386).

55431214 is a wasteful number, since it uses less digits than its factorization.

55431214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644594.

The product of its digits is 2400, while the sum is 25.

The square root of 55431214 is about 7445.2141675038. The cubic root of 55431214 is about 381.2865304421.

Adding to 55431214 its reverse (41213455), we get a palindrome (96644669).

The spelling of 55431214 in words is "fifty-five million, four hundred thirty-one thousand, two hundred fourteen".