55544135200 has 72 divisors (see below), whose sum is σ = 141492693888. Its totient is φ = 21251662080.

The previous prime is 55544135189. The next prime is 55544135209. The reversal of 55544135200 is 253144555.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55544135209) 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, 1490952 + ... + 1527751.

It is an arithmetic number, because the mean of its divisors is an integer number (1965176304).

Almost surely, 2^55544135200 is an apocalyptic number.

55544135200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55544135200 is an abundant number, since it is smaller than the sum of its proper divisors (85948558688).

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

55544135200 is a wasteful number, since it uses less digits than its factorization.

55544135200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018746 (or 3018733 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 55544135200 its reverse (253144555), we get a palindrome (55797279755).

The spelling of 55544135200 in words is "fifty-five billion, five hundred forty-four million, one hundred thirty-five thousand, two hundred".