5555243124 has 72 divisors (see below), whose sum is σ = 14364309960. Its totient is φ = 1809580032.

The previous prime is 5555243093. The next prime is 5555243129. The reversal of 5555243124 is 4213425555.

5555243124 is a `hidden beast` number, since 5 + 5 + 5 + 524 + 3 + 124 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2648955024 + 2906288100 = 51468^2 + 53910^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555243129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484692 + ... + 496020.

It is an arithmetic number, because the mean of its divisors is an integer number (199504305).

Almost surely, 2^5555243124 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 5555243124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7182154980).

5555243124 is an abundant number, since it is smaller than the sum of its proper divisors (8809066836).

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

5555243124 is a wasteful number, since it uses less digits than its factorization.

5555243124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11649 (or 11644 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 5555243124 is about 74533.5033659360. The cubic root of 5555243124 is about 1771.0644138750.

Adding to 5555243124 its reverse (4213425555), we get a palindrome (9768668679).

The spelling of 5555243124 in words is "five billion, five hundred fifty-five million, two hundred forty-three thousand, one hundred twenty-four".