55614222 has 48 divisors (see below), whose sum is σ = 126755280. Its totient is φ = 18074448.

The previous prime is 55614203. The next prime is 55614227. The reversal of 55614222 is 22241655.

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 (55614227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99568 + ... + 100124.

It is an arithmetic number, because the mean of its divisors is an integer number (2640735).

Almost surely, 2^55614222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55614222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63377640).

55614222 is an abundant number, since it is smaller than the sum of its proper divisors (71141058).

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

55614222 is a wasteful number, since it uses less digits than its factorization.

55614222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 605 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 55614222 is about 7457.4943513220. The cubic root of 55614222 is about 381.7056795633.

Adding to 55614222 its reverse (22241655), we get a palindrome (77855877).

The spelling of 55614222 in words is "fifty-five million, six hundred fourteen thousand, two hundred twenty-two".