555550055045 has 4 divisors (see below), whose sum is σ = 666660066060. Its totient is φ = 444440044032.

The previous prime is 555550055029. The next prime is 555550055059. The reversal of 555550055045 is 540550055555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540550055555 = 5 ⋅108110011111.

It can be written as a sum of positive squares in 2 ways, for example, as 418968809284 + 136581245761 = 647278^2 + 369569^2 .

It is a cyclic number.

It is not a de Polignac number, because 555550055045 - 2⁴ = 555550055029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 555550054987 and 555550055005.

It is a congruent number.

It is an unprimeable number.

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, 55555005500 + ... + 55555005509.

It is an arithmetic number, because the mean of its divisors is an integer number (166665016515).

Almost surely, 2^555550055045 is an apocalyptic number.

It is an amenable number.

555550055045 is a deficient number, since it is larger than the sum of its proper divisors (111110011015).

555550055045 is a wasteful number, since it uses less digits than its factorization.

555550055045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111110011014.

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 555550055045 in words is "five hundred fifty-five billion, five hundred fifty million, fifty-five thousand, forty-five".