55105065100 has 36 divisors (see below), whose sum is σ = 119642444824. Its totient is φ = 22030145280.

The previous prime is 55105065097. The next prime is 55105065181. The reversal of 55105065100 is 156050155.

It is a super-3 number, since 3×55105065100³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39124 + ... + 334276.

Almost surely, 2^55105065100 is an apocalyptic number.

55105065100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55105065100 is an abundant number, since it is smaller than the sum of its proper divisors (64537379724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55105065100 is a wasteful number, since it uses less digits than its factorization.

55105065100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297034 (or 297027 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 55105065100 in words is "fifty-five billion, one hundred five million, sixty-five thousand, one hundred".