55043332432 has 40 divisors (see below), whose sum is σ = 118248851232. Its totient is φ = 24609532800.

The previous prime is 55043332391. The next prime is 55043332453. The reversal of 55043332432 is 23423334055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2552758 + ... + 2574229.

Almost surely, 2^55043332432 is an apocalyptic number.

It is an amenable number.

55043332432 is an abundant number, since it is smaller than the sum of its proper divisors (63205518800).

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

55043332432 is a wasteful number, since it uses less digits than its factorization.

55043332432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127067 (or 5127061 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 55043332432 its reverse (23423334055), we get a palindrome (78466666487).

The spelling of 55043332432 in words is "fifty-five billion, forty-three million, three hundred thirty-two thousand, four hundred thirty-two".