505550556005 has 8 divisors (see below), whose sum is σ = 661811637024. Its totient is φ = 367673131600.

The previous prime is 505550556001. The next prime is 505550556037. The reversal of 505550556005 is 500655055505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505550556005 - 2² = 505550556001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505550556001) 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, 4595914091 + ... + 4595914200.

It is an arithmetic number, because the mean of its divisors is an integer number (82726454628).

Almost surely, 2^505550556005 is an apocalyptic number.

505550556005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505550556005 is a deficient number, since it is larger than the sum of its proper divisors (156261081019).

505550556005 is a wasteful number, since it uses less digits than its factorization.

505550556005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191828307.

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 505550556005 in words is "five hundred five billion, five hundred fifty million, five hundred fifty-six thousand, five".