55332522 has 96 divisors (see below), whose sum is σ = 149385600. Its totient is φ = 14442624.

The previous prime is 55332517. The next prime is 55332523. The reversal of 55332522 is 22523355.

55332522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55332523) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 69028 + ... + 69824.

It is an arithmetic number, because the mean of its divisors is an integer number (1556100).

Almost surely, 2^55332522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55332522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74692800).

55332522 is an abundant number, since it is smaller than the sum of its proper divisors (94053078).

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

55332522 is a wasteful number, since it uses less digits than its factorization.

55332522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 857 counting only the distinct ones).

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

The square root of 55332522 is about 7438.5833328665. The cubic root of 55332522 is about 381.0601099696.

Adding to 55332522 its reverse (22523355), we get a palindrome (77855877).

The spelling of 55332522 in words is "fifty-five million, three hundred thirty-two thousand, five hundred twenty-two".