100380055 has 8 divisors (see below), whose sum is σ = 120510432. Its totient is φ = 80267808.

The previous prime is 100380041. The next prime is 100380061. The reversal of 100380055 is 550083001.

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

It is a cyclic number.

It is not a de Polignac number, because 100380055 - 2⁵ = 100380023 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 16717 + ... + 21913.

It is an arithmetic number, because the mean of its divisors is an integer number (15063804).

Almost surely, 2^100380055 is an apocalyptic number.

100380055 is a deficient number, since it is larger than the sum of its proper divisors (20130377).

100380055 is an equidigital number, since it uses as much as digits as its factorization.

100380055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9065.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 100380055 is about 10018.9847290032. The cubic root of 100380055 is about 464.7461596788.

The spelling of 100380055 in words is "one hundred million, three hundred eighty thousand, fifty-five".