55240224545200 has 60 divisors (see below), whose sum is σ = 133138648204408. Its totient is φ = 22025495232000.

The previous prime is 55240224545087. The next prime is 55240224545201. The reversal of 55240224545200 is 254542204255.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (55240224545201) 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, 220482726 + ... + 220733125.

Almost surely, 2^{55240224545200} is an apocalyptic number.

55240224545200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55240224545200 is an abundant number, since it is smaller than the sum of its proper divisors (77898423659208).

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

55240224545200 is a wasteful number, since it uses less digits than its factorization.

55240224545200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441216182 (or 441216171 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 40.

Adding to 55240224545200 its reverse (254542204255), we get a palindrome (55494766749455).

The spelling of 55240224545200 in words is "fifty-five trillion, two hundred forty billion, two hundred twenty-four million, five hundred forty-five thousand, two hundred".