55510644200 has 96 divisors (see below), whose sum is σ = 141101861760. Its totient is φ = 20141721600.

The previous prime is 55510644199. The next prime is 55510644209. The reversal of 55510644200 is 244601555.

It is not an unprimeable number, because it can be changed into a prime (55510644209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 991352 + ... + 1045848.

It is an arithmetic number, because the mean of its divisors is an integer number (1469811060).

Almost surely, 2^55510644200 is an apocalyptic number.

55510644200 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 55510644200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70550930880).

55510644200 is an abundant number, since it is smaller than the sum of its proper divisors (85591217560).

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

55510644200 is a wasteful number, since it uses less digits than its factorization.

55510644200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54987 (or 54978 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 55510644200 in words is "fifty-five billion, five hundred ten million, six hundred forty-four thousand, two hundred".