55500100605 has 12 divisors (see below), whose sum is σ = 96200174460. Its totient is φ = 29600053632.

The previous prime is 55500100571. The next prime is 55500100633. The reversal of 55500100605 is 50600100555.

55500100605 is a `hidden beast` number, since 5 + 5 + 50 + 0 + 1 + 0 + 0 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43508536569 + 11991564036 = 208587^2 + 109506^2 .

It is not a de Polignac number, because 55500100605 - 2⁸ = 55500100349 is a prime.

It is a super-2 number, since 2×55500100605² (a number of 22 digits) contains 22 as substring.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 616667740 + ... + 616667829.

It is an arithmetic number, because the mean of its divisors is an integer number (8016681205).

Almost surely, 2^55500100605 is an apocalyptic number.

It is an amenable number.

55500100605 is a deficient number, since it is larger than the sum of its proper divisors (40700073855).

55500100605 is a wasteful number, since it uses less digits than its factorization.

55500100605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233335580 (or 1233335577 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 55500100605 in words is "fifty-five billion, five hundred million, one hundred thousand, six hundred five".