55056430044 has 576 divisors, whose sum is σ = 194434007040. Its totient is φ = 12691261440.

The previous prime is 55056430043. The next prime is 55056430049. The reversal of 55056430044 is 44003465055.

55056430044 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 643 + 0 + 0 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55056429990 and 55056430008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55056430043) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 85623987 + ... + 85624629.

It is an arithmetic number, because the mean of its divisors is an integer number (337559040).

Almost surely, 2^55056430044 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 55056430044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97217003520).

55056430044 is an abundant number, since it is smaller than the sum of its proper divisors (139377576996).

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

55056430044 is a wasteful number, since it uses less digits than its factorization.

55056430044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 55056430044 its reverse (44003465055), we get a palindrome (99059895099).

The spelling of 55056430044 in words is "fifty-five billion, fifty-six million, four hundred thirty thousand, forty-four".