555555553 has 8 divisors (see below), whose sum is σ = 635073408. Its totient is φ = 476075904.

The previous prime is 555555541. The next prime is 555555587. The reversal of 555555553 is 355555555.

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

It is a cyclic number.

It is not a de Polignac number, because 555555553 - 2⁵ = 555555521 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (555555503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36300 + ... + 49282.

It is an arithmetic number, because the mean of its divisors is an integer number (79384176).

Almost surely, 2^555555553 is an apocalyptic number.

It is an amenable number.

555555553 is a deficient number, since it is larger than the sum of its proper divisors (79517855).

555555553 is a wasteful number, since it uses less digits than its factorization.

555555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19103.

The product of its digits is 1171875, while the sum is 43.

The square root of 555555553 is about 23570.2259853401. The cubic root of 555555553 is about 822.0706901830.

The spelling of 555555553 in words is "five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-three".