55005555106 has 4 divisors (see below), whose sum is σ = 82508332662. Its totient is φ = 27502777552.

The previous prime is 55005555019. The next prime is 55005555107. The reversal of 55005555106 is 60155550055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29965341025 + 25040214081 = 173105^2 + 158241^2 .

It is a super-2 number, since 2×55005555106² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55005555107) by changing a digit.

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 as a sum of consecutive naturals, namely, 13751388775 + ... + 13751388778.

Almost surely, 2^55005555106 is an apocalyptic number.

55005555106 is a deficient number, since it is larger than the sum of its proper divisors (27502777556).

55005555106 is a wasteful number, since it uses less digits than its factorization.

55005555106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502777555.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 55005555106 in words is "fifty-five billion, five million, five hundred fifty-five thousand, one hundred six".