55351311202200 has 384 divisors, whose sum is σ = 189839242010880. Its totient is φ = 13255038720000.

The previous prime is 55351311202169. The next prime is 55351311202289. The reversal of 55351311202200 is 220211315355.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 83856654 + ... + 84514146.

It is an arithmetic number, because the mean of its divisors is an integer number (494373026070).

Almost surely, 2^{55351311202200} is an apocalyptic number.

55351311202200 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 55351311202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94919621005440).

55351311202200 is an abundant number, since it is smaller than the sum of its proper divisors (134487930808680).

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

55351311202200 is a wasteful number, since it uses less digits than its factorization.

55351311202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657819 (or 657810 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 55351311202200 its reverse (220211315355), we get a palindrome (55571522517555).

The spelling of 55351311202200 in words is "fifty-five trillion, three hundred fifty-one billion, three hundred eleven million, two hundred two thousand, two hundred".