5555331143 has 4 divisors (see below), whose sum is σ = 5555636448. Its totient is φ = 5555025840.

The previous prime is 5555331101. The next prime is 5555331149. The reversal of 5555331143 is 3411335555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5555331143 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 123503 + ... + 162368.

It is an arithmetic number, because the mean of its divisors is an integer number (1388909112).

Almost surely, 2^5555331143 is an apocalyptic number.

5555331143 is a deficient number, since it is larger than the sum of its proper divisors (305305).

5555331143 is a wasteful number, since it uses less digits than its factorization.

5555331143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305304.

The product of its digits is 67500, while the sum is 35.

The square root of 5555331143 is about 74534.0938296026. The cubic root of 5555331143 is about 1771.0737675907.

Adding to 5555331143 its reverse (3411335555), we get a palindrome (8966666698).

The spelling of 5555331143 in words is "five billion, five hundred fifty-five million, three hundred thirty-one thousand, one hundred forty-three".