55244214 has 16 divisors (see below), whose sum is σ = 122765040. Its totient is φ = 18414720.

The previous prime is 55244213. The next prime is 55244221. The reversal of 55244214 is 41244255.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55244213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511467 + ... + 511574.

It is an arithmetic number, because the mean of its divisors is an integer number (7672815).

Almost surely, 2^55244214 is an apocalyptic number.

55244214 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55244214 is an abundant number, since it is smaller than the sum of its proper divisors (67520826).

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

55244214 is a wasteful number, since it uses less digits than its factorization.

55244214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023052 (or 1023046 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 55244214 is about 7432.6451549902. The cubic root of 55244214 is about 380.8572842626.

Adding to 55244214 its reverse (41244255), we get a palindrome (96488469).

The spelling of 55244214 in words is "fifty-five million, two hundred forty-four thousand, two hundred fourteen".