55442550101200 has 60 divisors (see below), whose sum is σ = 133201656303948. Its totient is φ = 22176865254400.

The previous prime is 55442550101161. The next prime is 55442550101233. The reversal of 55442550101200 is 210105524455.

It can be written as a sum of positive squares in 6 ways, for example, as 9514658453056 + 45927891648144 = 3084584^2 + 6777012^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 69560940 + ... + 70353460.

Almost surely, 2^{55442550101200} is an apocalyptic number.

55442550101200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55442550101200 is an abundant number, since it is smaller than the sum of its proper divisors (77759106202748).

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

55442550101200 is a wasteful number, since it uses less digits than its factorization.

55442550101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967432 (or 967421 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 55442550101200 its reverse (210105524455), we get a palindrome (55652655625655).

The spelling of 55442550101200 in words is "fifty-five trillion, four hundred forty-two billion, five hundred fifty million, one hundred one thousand, two hundred".