55325322 has 64 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 16690752.

The previous prime is 55325299. The next prime is 55325329. The reversal of 55325322 is 22352355.

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

It is not an unprimeable number, because it can be changed into a prime (55325329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36463 + ... + 37949.

It is an arithmetic number, because the mean of its divisors is an integer number (2109240).

Almost surely, 2^55325322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55325322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67495680).

55325322 is an abundant number, since it is smaller than the sum of its proper divisors (79666038).

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

55325322 is a wasteful number, since it uses less digits than its factorization.

55325322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1558 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 55325322 is about 7438.0993540017. The cubic root of 55325322 is about 381.0435811019.

Adding to 55325322 its reverse (22352355), we get a palindrome (77677677).

The spelling of 55325322 in words is "fifty-five million, three hundred twenty-five thousand, three hundred twenty-two".