55572300 has 108 divisors (see below), whose sum is σ = 199094896. Its totient is φ = 12700800.

The previous prime is 55572287. The next prime is 55572329. The reversal of 55572300 is 327555.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 1890 + ... + 10710.

Almost surely, 2^55572300 is an apocalyptic number.

55572300 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 55572300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99547448).

55572300 is an abundant number, since it is smaller than the sum of its proper divisors (143522596).

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

55572300 is a wasteful number, since it uses less digits than its factorization.

55572300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8848 (or 8838 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 55572300 is about 7454.6830918557. The cubic root of 55572300 is about 381.6097455418.

Adding to 55572300 its reverse (327555), we get a palindrome (55899855).

The spelling of 55572300 in words is "fifty-five million, five hundred seventy-two thousand, three hundred".