55100110505 has 8 divisors (see below), whose sum is σ = 72131053824. Its totient is φ = 40072807600.

The previous prime is 55100110397. The next prime is 55100110529. The reversal of 55100110505 is 50501100155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55100110505 - 2¹⁰ = 55100109481 is a prime.

It is a super-2 number, since 2×55100110505² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 500910041 + ... + 500910150.

It is an arithmetic number, because the mean of its divisors is an integer number (9016381728).

Almost surely, 2^55100110505 is an apocalyptic number.

55100110505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55100110505 is a deficient number, since it is larger than the sum of its proper divisors (17030943319).

55100110505 is a wasteful number, since it uses less digits than its factorization.

55100110505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001820207.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 55100110505 in words is "fifty-five billion, one hundred million, one hundred ten thousand, five hundred five".