5550115543 has 4 divisors (see below), whose sum is σ = 6342989200. Its totient is φ = 4757241888.

The previous prime is 5550115523. The next prime is 5550115553. The reversal of 5550115543 is 3455110555.

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

It is a de Polignac number, because none of the positive numbers 2^k-5550115543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5550115499 and 5550115508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550115523) 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, 396436818 + ... + 396436831.

It is an arithmetic number, because the mean of its divisors is an integer number (1585747300).

Almost surely, 2^5550115543 is an apocalyptic number.

5550115543 is a deficient number, since it is larger than the sum of its proper divisors (792873657).

5550115543 is an equidigital number, since it uses as much as digits as its factorization.

5550115543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792873656.

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 5550115543 is about 74499.0975985616. The cubic root of 5550115543 is about 1770.5193389175.

The spelling of 5550115543 in words is "five billion, five hundred fifty million, one hundred fifteen thousand, five hundred forty-three".