100566055 has 16 divisors (see below), whose sum is σ = 125226720. Its totient is φ = 77438592.

The previous prime is 100566047. The next prime is 100566061. The reversal of 100566055 is 550665001.

It is a cyclic number.

It is not a de Polignac number, because 100566055 - 2³ = 100566047 is a prime.

It is a super-2 number, since 2×100566055² = 20227062836526050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56692 + ... + 58438.

It is an arithmetic number, because the mean of its divisors is an integer number (7826670).

Almost surely, 2^100566055 is an apocalyptic number.

100566055 is a deficient number, since it is larger than the sum of its proper divisors (24660665).

100566055 is a wasteful number, since it uses less digits than its factorization.

100566055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 100566055 is about 10028.2628106766. The cubic root of 100566055 is about 465.0330342277.

The spelling of 100566055 in words is "one hundred million, five hundred sixty-six thousand, fifty-five".