5553115985 has 4 divisors (see below), whose sum is σ = 6663739188. Its totient is φ = 4442492784.

The previous prime is 5553115951. The next prime is 5553115987. The reversal of 5553115985 is 5895113555.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3558957649 + 1994158336 = 59657^2 + 44656^2 .

It is a cyclic number.

It is not a de Polignac number, because 5553115985 - 2³⁰ = 4479374161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5553115987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555311594 + ... + 555311603.

It is an arithmetic number, because the mean of its divisors is an integer number (1665934797).

Almost surely, 2^5553115985 is an apocalyptic number.

It is an amenable number.

5553115985 is a deficient number, since it is larger than the sum of its proper divisors (1110623203).

5553115985 is a wasteful number, since it uses less digits than its factorization.

5553115985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110623202.

The product of its digits is 675000, while the sum is 47.

The square root of 5553115985 is about 74519.2323162283. The cubic root of 5553115985 is about 1770.8383342930.

The spelling of 5553115985 in words is "five billion, five hundred fifty-three million, one hundred fifteen thousand, nine hundred eighty-five".