55430243232 has 768 divisors, whose sum is σ = 194027581440. Its totient is φ = 13470105600.

The previous prime is 55430243227. The next prime is 55430243287. The reversal of 55430243232 is 23234203455.

It is a junction number, because it is equal to n+sod(n) for n = 55430243193 and 55430243202.

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 127 ways as a sum of consecutive naturals, for example, 908692482 + ... + 908692542.

It is an arithmetic number, because the mean of its divisors is an integer number (252640080).

Almost surely, 2^55430243232 is an apocalyptic number.

55430243232 is a gapful number since it is divisible by the number (52) 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 55430243232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97013790720).

55430243232 is an abundant number, since it is smaller than the sum of its proper divisors (138597338208).

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

55430243232 is a wasteful number, since it uses less digits than its factorization.

55430243232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 55430243232 its reverse (23234203455), we get a palindrome (78664446687).

The spelling of 55430243232 in words is "fifty-five billion, four hundred thirty million, two hundred forty-three thousand, two hundred thirty-two".