55273214 has 8 divisors (see below), whose sum is σ = 83008920. Its totient is φ = 27603576.

The previous prime is 55273213. The next prime is 55273241. The reversal of 55273214 is 41237255.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55273213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14369 + ... + 17804.

It is an arithmetic number, because the mean of its divisors is an integer number (10376115).

Almost surely, 2^55273214 is an apocalyptic number.

55273214 is a deficient number, since it is larger than the sum of its proper divisors (27735706).

55273214 is a wasteful number, since it uses less digits than its factorization.

55273214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33034.

The product of its digits is 8400, while the sum is 29.

The square root of 55273214 is about 7434.5957522921. The cubic root of 55273214 is about 380.9239152475.

The spelling of 55273214 in words is "fifty-five million, two hundred seventy-three thousand, two hundred fourteen".