5555331144 has 96 divisors (see below), whose sum is σ = 16426612800. Its totient is φ = 1682087040.

The previous prime is 5555331101. The next prime is 5555331149. The reversal of 5555331144 is 4411335555.

5555331144 is a `hidden beast` number, since 5 + 5 + 5 + 533 + 114 + 4 = 666.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5555331099 and 5555331108.

It is not an unprimeable number, because it can be changed into a prime (5555331149) 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, 1486302 + ... + 1490034.

It is an arithmetic number, because the mean of its divisors is an integer number (171110550).

Almost surely, 2^5555331144 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 5555331144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8213306400).

5555331144 is an abundant number, since it is smaller than the sum of its proper divisors (10871281656).

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

5555331144 is a wasteful number, since it uses less digits than its factorization.

5555331144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635 (or 5628 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 5555331144 is about 74534.0938363109. The cubic root of 5555331144 is about 1771.0737676970.

Adding to 5555331144 its reverse (4411335555), we get a palindrome (9966666699).

The spelling of 5555331144 in words is "five billion, five hundred fifty-five million, three hundred thirty-one thousand, one hundred forty-four".