255555555553 has 8 divisors (see below), whose sum is σ = 266679504000. Its totient is φ = 244432676928.

The previous prime is 255555555527. The next prime is 255555555587. The reversal of 255555555553 is 355555555552.

It is a happy number.

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 255555555553 - 2¹³ = 255555547361 is a prime.

It is a deceptive number, since it divides R_255555555552.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255555555494 and 255555555503.

It is not an unprimeable number, because it can be changed into a prime (255555555503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241308 + ... + 754546.

It is an arithmetic number, because the mean of its divisors is an integer number (33334938000).

Almost surely, 2^255555555553 is an apocalyptic number.

255555555553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

255555555553 is a deficient number, since it is larger than the sum of its proper divisors (11123948447).

255555555553 is a wasteful number, since it uses less digits than its factorization.

255555555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534911.

The product of its digits is 58593750, while the sum is 55.

Subtracting 255555555553 from its reverse (355555555552), we obtain a palindrome (99999999999).

It can be divided in two parts, 2 and 55555555553, that added together give a palindrome (55555555555).

The spelling of 255555555553 in words is "two hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-three".