5531555553 has 4 divisors (see below), whose sum is σ = 7375407408. Its totient is φ = 3687703700.

The previous prime is 5531555503. The next prime is 5531555581. The reversal of 5531555553 is 3555551355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5531555553 - 2⁸ = 5531555297 is a prime.

It is a super-3 number, since 3×5531555553³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5531555503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921925923 + ... + 921925928.

It is an arithmetic number, because the mean of its divisors is an integer number (1843851852).

Almost surely, 2^5531555553 is an apocalyptic number.

It is an amenable number.

5531555553 is a deficient number, since it is larger than the sum of its proper divisors (1843851855).

5531555553 is a wasteful number, since it uses less digits than its factorization.

5531555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843851854.

The product of its digits is 703125, while the sum is 42.

The square root of 5531555553 is about 74374.4280851961. The cubic root of 5531555553 is about 1768.5435530784.

The spelling of 5531555553 in words is "five billion, five hundred thirty-one million, five hundred fifty-five thousand, five hundred fifty-three".