55051122213300 has 72 divisors (see below), whose sum is σ = 160336089764032. Its totient is φ = 14583078720000.

The previous prime is 55051122213229. The next prime is 55051122213337. The reversal of 55051122213300 is 331222115055.

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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 607582981 + ... + 607673580.

Almost surely, 2^{55051122213300} is an apocalyptic number.

55051122213300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55051122213300 is an abundant number, since it is smaller than the sum of its proper divisors (105284967550732).

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

55051122213300 is a wasteful number, since it uses less digits than its factorization.

55051122213300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215256729 (or 1215256722 counting only the distinct ones).

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

Adding to 55051122213300 its reverse (331222115055), we get a palindrome (55382344328355).

The spelling of 55051122213300 in words is "fifty-five trillion, fifty-one billion, one hundred twenty-two million, two hundred thirteen thousand, three hundred".