55600044 has 24 divisors (see below), whose sum is σ = 130038720. Its totient is φ = 18489744.

The previous prime is 55600033. The next prime is 55600049. The reversal of 55600044 is 44000655.

It is a junction number, because it is equal to n+sod(n) for n = 55599987 and 55600023.

It is not an unprimeable number, because it can be changed into a prime (55600049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (5418280).

Almost surely, 2^55600044 is an apocalyptic number.

It is an amenable number.

55600044 is an abundant number, since it is smaller than the sum of its proper divisors (74438676).

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

55600044 is a wasteful number, since it uses less digits than its factorization.

55600044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909 (or 10907 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 55600044 is about 7456.5437033521. The cubic root of 55600044 is about 381.6732401208.

Adding to 55600044 its reverse (44000655), we get a palindrome (99600699).

The spelling of 55600044 in words is "fifty-five million, six hundred thousand, forty-four".