55551152200 has 24 divisors (see below), whose sum is σ = 129156429330. Its totient is φ = 22220460800.

The previous prime is 55551152177. The next prime is 55551152213. The reversal of 55551152200 is 225115555.

It can be written as a sum of positive squares in 3 ways, for example, as 47183659524 + 8367492676 = 217218^2 + 91474^2 .

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 5 ways as a sum of consecutive naturals, for example, 138877681 + ... + 138878080.

Almost surely, 2^55551152200 is an apocalyptic number.

55551152200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55551152200 is an abundant number, since it is smaller than the sum of its proper divisors (73605277130).

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

55551152200 is a wasteful number, since it uses less digits than its factorization.

55551152200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277755777 (or 277755768 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

Adding to 55551152200 its reverse (225115555), we get a palindrome (55776267755).

The spelling of 55551152200 in words is "fifty-five billion, five hundred fifty-one million, one hundred fifty-two thousand, two hundred".