55005131344432 has 10 divisors (see below), whose sum is σ = 106572441979868. Its totient is φ = 27502565672208.

The previous prime is 55005131344417. The next prime is 55005131344433. The reversal of 55005131344432 is 23444313150055.

It is not an unprimeable number, because it can be changed into a prime (55005131344433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718910354498 + ... + 1718910354529.

Almost surely, 2^{55005131344432} is an apocalyptic number.

It is an amenable number.

55005131344432 is a deficient number, since it is larger than the sum of its proper divisors (51567310635436).

55005131344432 is a wasteful number, since it uses less digits than its factorization.

55005131344432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437820709035 (or 3437820709029 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 55005131344432 its reverse (23444313150055), we get a palindrome (78449444494487).

The spelling of 55005131344432 in words is "fifty-five trillion, five billion, one hundred thirty-one million, three hundred forty-four thousand, four hundred thirty-two".