100550055 has 8 divisors (see below), whose sum is σ = 160880112. Its totient is φ = 53626688.

The previous prime is 100550029. The next prime is 100550057. The reversal of 100550055 is 550055001.

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 100550055 - 2⁶ = 100549991 is a prime.

It is a super-2 number, since 2×100550055² = 20220627121006050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3351654 + ... + 3351683.

It is an arithmetic number, because the mean of its divisors is an integer number (20110014).

Almost surely, 2^100550055 is an apocalyptic number.

100550055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100550055 is a deficient number, since it is larger than the sum of its proper divisors (60330057).

100550055 is an equidigital number, since it uses as much as digits as its factorization.

100550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703345.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 100550055 is about 10027.4650335965. The cubic root of 100550055 is about 465.0083707592.

The spelling of 100550055 in words is "one hundred million, five hundred fifty thousand, fifty-five".