5540555555 has 4 divisors (see below), whose sum is σ = 6648666672. Its totient is φ = 4432444440.

The previous prime is 5540555543. The next prime is 5540555557. The reversal of 5540555555 is 5555550455.

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

It is not a de Polignac number, because 5540555555 - 2¹⁰ = 5540554531 is a prime.

It is a Duffinian number.

5540555555 is a modest number, since divided by 55555 gives 55405 as remainder.

It is not an unprimeable number, because it can be changed into a prime (5540555557) 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, 554055551 + ... + 554055560.

It is an arithmetic number, because the mean of its divisors is an integer number (1662166668).

Almost surely, 2^5540555555 is an apocalyptic number.

5540555555 is a deficient number, since it is larger than the sum of its proper divisors (1108111117).

5540555555 is a wasteful number, since it uses less digits than its factorization.

5540555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108111116.

The product of its (nonzero) digits is 1562500, while the sum is 44.

The square root of 5540555555 is about 74434.9081748611. The cubic root of 5540555555 is about 1769.5021906466.

The spelling of 5540555555 in words is "five billion, five hundred forty million, five hundred fifty-five thousand, five hundred fifty-five".