555055005553 has 4 divisors (see below), whose sum is σ = 555422349888. Its totient is φ = 554687661220.

The previous prime is 555055005551. The next prime is 555055005563. The reversal of 555055005553 is 355500550555.

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, and also an emirpimes, since its reverse is a distinct semiprime: 355500550555 = 5 ⋅71100110111.

It is a cyclic number.

It is not a de Polignac number, because 555055005553 - 2¹ = 555055005551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555055005551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183669901 + ... + 183672922.

It is an arithmetic number, because the mean of its divisors is an integer number (138855587472).

Almost surely, 2^555055005553 is an apocalyptic number.

It is an amenable number.

555055005553 is a deficient number, since it is larger than the sum of its proper divisors (367344335).

555055005553 is a wasteful number, since it uses less digits than its factorization.

555055005553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367344334.

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

The spelling of 555055005553 in words is "five hundred fifty-five billion, fifty-five million, five thousand, five hundred fifty-three".