55505050000505 has 8 divisors (see below), whose sum is σ = 76121211429312. Its totient is φ = 38060605714608.

The previous prime is 55505050000481. The next prime is 55505050000531. The reversal of 55505050000505 is 50500005050555.

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 55505050000505 - 2¹⁴ = 55505049984121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1585858571443 = 55505050000505 / (5 + 5 + 5 + 0 + 5 + 0 + 5 + 0 + 0 + 0 + 0 + 5 + 0 + 5).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792929285687 + ... + 792929285756.

It is an arithmetic number, because the mean of its divisors is an integer number (9515151428664).

Almost surely, 2^{55505050000505} is an apocalyptic number.

It is an amenable number.

55505050000505 is a deficient number, since it is larger than the sum of its proper divisors (20616161428807).

55505050000505 is a wasteful number, since it uses less digits than its factorization.

55505050000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585858571455.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55505050000505 in words is "fifty-five trillion, five hundred five billion, fifty million, five hundred five", and thus it is an aban number.