55000505550505 has 4 divisors (see below), whose sum is σ = 66000606660612. Its totient is φ = 44000404440400.

The previous prime is 55000505550479. The next prime is 55000505550559. The reversal of 55000505550505 is 50505550500055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7007810789529 + 47992694760976 = 2647227^2 + 6927676^2 .

It is not a de Polignac number, because 55000505550505 - 2⁷ = 55000505550377 is a prime.

It is a super-2 number, since 2×55000505550505² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500050555046 + ... + 5500050555055.

It is an arithmetic number, because the mean of its divisors is an integer number (16500151665153).

Almost surely, 2^{55000505550505} is an apocalyptic number.

It is an amenable number.

55000505550505 is a deficient number, since it is larger than the sum of its proper divisors (11000101110107).

55000505550505 is a wasteful number, since it uses less digits than its factorization.

55000505550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000101110106.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55000505550505 in words is "fifty-five trillion, five hundred five million, five hundred fifty thousand, five hundred five".