55000500000505 has 8 divisors (see below), whose sum is σ = 66010402595592. Its totient is φ = 43993864937088.

The previous prime is 55000500000503. The next prime is 55000500000521. The reversal of 55000500000505 is 50500000500055.

It can be written as a sum of positive squares in 4 ways, for example, as 9995360463936 + 45005139536569 = 3161544^2 + 6708587^2 .

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 55000500000505 - 2¹ = 55000500000503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55000500000505.

It is not an unprimeable number, because it can be changed into a prime (55000500000503) 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, 816845884 + ... + 816913213.

It is an arithmetic number, because the mean of its divisors is an integer number (8251300324449).

Almost surely, 2^{55000500000505} is an apocalyptic number.

It is an amenable number.

55000500000505 is a deficient number, since it is larger than the sum of its proper divisors (11009902595087).

55000500000505 is a wasteful number, since it uses less digits than its factorization.

55000500000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633765835.

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 55000500000505 in words is "fifty-five trillion, five hundred million, five hundred five", and thus it is an aban number.