55443101200 has 60 divisors (see below), whose sum is σ = 133683191620. Its totient is φ = 22097134080.

The previous prime is 55443101159. The next prime is 55443101209. The reversal of 55443101200 is 210134455.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5456896 + 55437644304 = 2336^2 + 235452^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (55443101209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139395 + ... + 360994.

Almost surely, 2^55443101200 is an apocalyptic number.

55443101200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55443101200 is an abundant number, since it is smaller than the sum of its proper divisors (78240090420).

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

55443101200 is a wasteful number, since it uses less digits than its factorization.

55443101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500684 (or 500673 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 55443101200 its reverse (210134455), we get a palindrome (55653235655).

The spelling of 55443101200 in words is "fifty-five billion, four hundred forty-three million, one hundred one thousand, two hundred".