555505055001 has 12 divisors (see below), whose sum is σ = 864118974628. Its totient is φ = 341849264544.

The previous prime is 555505054999. The next prime is 555505055047. The reversal of 555505055001 is 100550505555.

It is a happy number.

555505055001 is a `hidden beast` number, since 5 + 5 + 5 + 50 + 50 + 550 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 192738560400 + 362766494601 = 439020^2 + 602301^2 .

It is not a de Polignac number, because 555505055001 - 2¹ = 555505054999 is a prime.

It is a super-2 number, since 2×555505055001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (555505055101) 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 11 ways as a sum of consecutive naturals, for example, 2373953110 + ... + 2373953343.

Almost surely, 2^555505055001 is an apocalyptic number.

It is an amenable number.

555505055001 is a deficient number, since it is larger than the sum of its proper divisors (308613919627).

555505055001 is a wasteful number, since it uses less digits than its factorization.

555505055001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747906472 (or 4747906469 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 555505055001 in words is "five hundred fifty-five billion, five hundred five million, fifty-five thousand, one".