55065143320432 has 80 divisors (see below), whose sum is σ = 122075953638912. Its totient is φ = 23571107400960.

The previous prime is 55065143320403. The next prime is 55065143320433. The reversal of 55065143320432 is 23402334156055.

55065143320432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065143320433) 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 15 ways as a sum of consecutive naturals, for example, 315814557 + ... + 315988867.

Almost surely, 2^{55065143320432} is an apocalyptic number.

It is an amenable number.

55065143320432 is an abundant number, since it is smaller than the sum of its proper divisors (67010810318480).

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

55065143320432 is a wasteful number, since it uses less digits than its factorization.

55065143320432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177686 (or 177680 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 55065143320432 its reverse (23402334156055), we get a palindrome (78467477476487).

The spelling of 55065143320432 in words is "fifty-five trillion, sixty-five billion, one hundred forty-three million, three hundred twenty thousand, four hundred thirty-two".