55000556105 has 16 divisors (see below), whose sum is σ = 72637910784. Its totient is φ = 39646414080.

The previous prime is 55000556011. The next prime is 55000556119. The reversal of 55000556105 is 50165500055.

It is not a de Polignac number, because 55000556105 - 2¹⁰ = 55000555081 is a prime.

It is a super-2 number, since 2×55000556105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4418609 + ... + 4431038.

It is an arithmetic number, because the mean of its divisors is an integer number (4539869424).

Almost surely, 2^55000556105 is an apocalyptic number.

55000556105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55000556105 is a deficient number, since it is larger than the sum of its proper divisors (17637354679).

55000556105 is a wasteful number, since it uses less digits than its factorization.

55000556105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8849776.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55000556105 in words is "fifty-five billion, five hundred fifty-six thousand, one hundred five".