55555000005 has 32 divisors (see below), whose sum is σ = 91239838848. Its totient is φ = 28855008000.

The previous prime is 55554999979. The next prime is 55555000021. The reversal of 55555000005 is 50000055555.

It is not a de Polignac number, because 55555000005 - 2¹⁰ = 55554998981 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 208159 + ... + 392988.

It is an arithmetic number, because the mean of its divisors is an integer number (2851244964).

Almost surely, 2^55555000005 is an apocalyptic number.

It is an amenable number.

55555000005 is a deficient number, since it is larger than the sum of its proper divisors (35684838843).

55555000005 is a wasteful number, since it uses less digits than its factorization.

55555000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601317.

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 55555000005 in words is "fifty-five billion, five hundred fifty-five million, five", and thus it is an aban number.