55430204424 has 128 divisors (see below), whose sum is σ = 165438167040. Its totient is φ = 15132091392.

The previous prime is 55430204419. The next prime is 55430204429. The reversal of 55430204424 is 42440203455.

55430204424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55430204419) and next prime (55430204429).

It is not an unprimeable number, because it can be changed into a prime (55430204429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3767787 + ... + 3782469.

It is an arithmetic number, because the mean of its divisors is an integer number (1292485680).

Almost surely, 2^55430204424 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 55430204424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82719083520).

55430204424 is an abundant number, since it is smaller than the sum of its proper divisors (110007962616).

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

55430204424 is a wasteful number, since it uses less digits than its factorization.

55430204424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15699 (or 15695 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 55430204424 its reverse (42440203455), we get a palindrome (97870407879).

The spelling of 55430204424 in words is "fifty-five billion, four hundred thirty million, two hundred four thousand, four hundred twenty-four".