100055018 has 8 divisors (see below), whose sum is σ = 171522912. Its totient is φ = 42880716.

The previous prime is 100055009. The next prime is 100055029. The reversal of 100055018 is 810550001.

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

It is a super-2 number, since 2×100055018² = 20022013253960648, which contains 22 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 3573380 + ... + 3573407.

It is an arithmetic number, because the mean of its divisors is an integer number (21440364).

Almost surely, 2^100055018 is an apocalyptic number.

100055018 is a deficient number, since it is larger than the sum of its proper divisors (71467894).

100055018 is an equidigital number, since it uses as much as digits as its factorization.

100055018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146796.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 100055018 is about 10002.7505217315. The cubic root of 100055018 is about 464.2439913998.

It can be divided in two parts, 10005501 and 8, that multiplied together give a palindrome (80044008).

The spelling of 100055018 in words is "one hundred million, fifty-five thousand, eighteen".