55005005005 has 8 divisors (see below), whose sum is σ = 66008172024. Its totient is φ = 44002560000.

The previous prime is 55005004991. The next prime is 55005005017. The reversal of 55005005005 is 50050050055.

It can be written as a sum of positive squares in 4 ways, for example, as 1182396996 + 53822608009 = 34386^2 + 231997^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-55005005005 is a prime.

It is a Duffinian number.

55005005005 is a modest number, since divided by 5005005 gives 55 as remainder.

It is a congruent 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, 4305 + ... + 331705.

It is an arithmetic number, because the mean of its divisors is an integer number (8251021503).

Almost surely, 2^55005005005 is an apocalyptic number.

It is an amenable number.

55005005005 is a deficient number, since it is larger than the sum of its proper divisors (11003167019).

55005005005 is a wasteful number, since it uses less digits than its factorization.

55005005005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361007.

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

The spelling of 55005005005 in words is "fifty-five billion, five million, five thousand, five".