55322300 has 72 divisors (see below), whose sum is σ = 137907840. Its totient is φ = 19051200.

The previous prime is 55322287. The next prime is 55322327. The reversal of 55322300 is 322355.

55322300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19577 + ... + 22223.

Almost surely, 2^55322300 is an apocalyptic number.

55322300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55322300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68953920).

55322300 is an abundant number, since it is smaller than the sum of its proper divisors (82585540).

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

55322300 is a wasteful number, since it uses less digits than its factorization.

55322300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 55322300 is about 7437.8962079341. The cubic root of 55322300 is about 381.0366431416.

Adding to 55322300 its reverse (322355), we get a palindrome (55644655).

Subtracting from 55322300 its reverse (322355), we obtain a palindrome (54999945).

The spelling of 55322300 in words is "fifty-five million, three hundred twenty-two thousand, three hundred".