5555320143 has 8 divisors (see below), whose sum is σ = 7413658800. Its totient is φ = 3700264128.

The previous prime is 5555320117. The next prime is 5555320153. The reversal of 5555320143 is 3410235555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5555320143 - 2⁶ = 5555320079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555320153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816708 + ... + 823481.

It is an arithmetic number, because the mean of its divisors is an integer number (926707350).

Almost surely, 2^5555320143 is an apocalyptic number.

5555320143 is a deficient number, since it is larger than the sum of its proper divisors (1858338657).

5555320143 is a wasteful number, since it uses less digits than its factorization.

5555320143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641321.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 5555320143 is about 74534.0200378324. The cubic root of 5555320143 is about 1771.0725986340.

Adding to 5555320143 its reverse (3410235555), we get a palindrome (8965555698).

The spelling of 5555320143 in words is "five billion, five hundred fifty-five million, three hundred twenty thousand, one hundred forty-three".