55430352143100 has 720 divisors, whose sum is σ = 206408100286080. Its totient is φ = 12725899891200.

The previous prime is 55430352143099. The next prime is 55430352143107. The reversal of 55430352143100 is 134125303455.

55430352143100 is a `hidden beast` number, since 5 + 5 + 430 + 3 + 5 + 214 + 3 + 1 + 0 + 0 = 666.

55430352143100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55430352143100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55430352143107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 8147924299 + ... + 8147931101.

It is an arithmetic number, because the mean of its divisors is an integer number (286677917064).

Almost surely, 2^{55430352143100} is an apocalyptic number.

55430352143100 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 55430352143100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103204050143040).

55430352143100 is an abundant number, since it is smaller than the sum of its proper divisors (150977748142980).

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

55430352143100 is a wasteful number, since it uses less digits than its factorization.

55430352143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672 (or 11656 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 55430352143100 its reverse (134125303455), we get a palindrome (55564477446555).

The spelling of 55430352143100 in words is "fifty-five trillion, four hundred thirty billion, three hundred fifty-two million, one hundred forty-three thousand, one hundred".