55051105505 has 16 divisors (see below), whose sum is σ = 72073108800. Its totient is φ = 40033719360.

The previous prime is 55051105463. The next prime is 55051105513. The reversal of 55051105505 is 50550115055.

It is not a de Polignac number, because 55051105505 - 2²² = 55046911201 is a prime.

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, 724406 + ... + 796784.

It is an arithmetic number, because the mean of its divisors is an integer number (4504569300).

Almost surely, 2^55051105505 is an apocalyptic number.

55051105505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55051105505 is a deficient number, since it is larger than the sum of its proper divisors (17022003295).

55051105505 is a wasteful number, since it uses less digits than its factorization.

55051105505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86224.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 55051105505 in words is "fifty-five billion, fifty-one million, one hundred five thousand, five hundred five".