55605000505 has 8 divisors (see below), whose sum is σ = 66742929792. Its totient is φ = 44472714288.

The previous prime is 55605000481. The next prime is 55605000541. The reversal of 55605000505 is 50500050655.

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 55605000505 - 2³³ = 47015065913 is a prime.

It is a super-2 number, since 2×55605000505² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389057 + ... + 1428526.

It is an arithmetic number, because the mean of its divisors is an integer number (8342866224).

Almost surely, 2^55605000505 is an apocalyptic number.

It is an amenable number.

55605000505 is a deficient number, since it is larger than the sum of its proper divisors (11137929287).

55605000505 is a wasteful number, since it uses less digits than its factorization.

55605000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821535.

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55605000505 in words is "fifty-five billion, six hundred five million, five hundred five", and thus it is an aban number.