55522300 has 36 divisors (see below), whose sum is σ = 121632840. Its totient is φ = 21997120.

The previous prime is 55522277. The next prime is 55522307. The reversal of 55522300 is 322555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55522307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8106 + ... + 13294.

It is an arithmetic number, because the mean of its divisors is an integer number (3378690).

Almost surely, 2^55522300 is an apocalyptic number.

55522300 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 55522300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60816420).

55522300 is an abundant number, since it is smaller than the sum of its proper divisors (66110540).

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

55522300 is a wasteful number, since it uses less digits than its factorization.

55522300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310 (or 5303 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 55522300 is about 7451.3287405670. The cubic root of 55522300 is about 381.4952627715.

Adding to 55522300 its reverse (322555), we get a palindrome (55844855).

The spelling of 55522300 in words is "fifty-five million, five hundred twenty-two thousand, three hundred".