55550550005 has 16 divisors (see below), whose sum is σ = 68736729600. Its totient is φ = 43076599488.

The previous prime is 55550549993. The next prime is 55550550031. The reversal of 55550550005 is 50005505555.

It is a cyclic number.

It is not a de Polignac number, because 55550550005 - 2¹² = 55550545909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240805 + ... + 1284794.

It is an arithmetic number, because the mean of its divisors is an integer number (4296045600).

Almost surely, 2^55550550005 is an apocalyptic number.

It is an amenable number.

55550550005 is a deficient number, since it is larger than the sum of its proper divisors (13186179595).

55550550005 is a wasteful number, since it uses less digits than its factorization.

55550550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525740.

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

The spelling of 55550550005 in words is "fifty-five billion, five hundred fifty million, five hundred fifty thousand, five".