55202200 has 24 divisors (see below), whose sum is σ = 128345580. Its totient is φ = 22080800.

The previous prime is 55202183. The next prime is 55202207. The reversal of 55202200 is 220255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55202207) 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 5 ways as a sum of consecutive naturals, for example, 137806 + ... + 138205.

Almost surely, 2^55202200 is an apocalyptic number.

55202200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55202200 is an abundant number, since it is smaller than the sum of its proper divisors (73143380).

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

55202200 is a wasteful number, since it uses less digits than its factorization.

55202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276027 (or 276018 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 55202200 is about 7429.8183019506. The cubic root of 55202200 is about 380.7607106735.

Adding to 55202200 its reverse (220255), we get a palindrome (55422455).

The spelling of 55202200 in words is "fifty-five million, two hundred two thousand, two hundred".