55011044032 has 84 divisors (see below), whose sum is σ = 127351383600. Its totient is φ = 23508140544.

The previous prime is 55011044009. The next prime is 55011044041. The reversal of 55011044032 is 23044011055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55011043988 and 55011044006.

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 11 ways as a sum of consecutive naturals, for example, 1069333 + ... + 1119595.

It is an arithmetic number, because the mean of its divisors is an integer number (1516087900).

Almost surely, 2^55011044032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55011044032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63675691800).

55011044032 is an abundant number, since it is smaller than the sum of its proper divisors (72340339568).

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

55011044032 is a wasteful number, since it uses less digits than its factorization.

55011044032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50638 (or 50621 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 55011044032 its reverse (23044011055), we get a palindrome (78055055087).

The spelling of 55011044032 in words is "fifty-five billion, eleven million, forty-four thousand, thirty-two".