100450055 has 32 divisors (see below), whose sum is σ = 132926400. Its totient is φ = 72777600.

The previous prime is 100450043. The next prime is 100450057. The reversal of 100450055 is 550054001.

It is not a de Polignac number, because 100450055 - 2⁸ = 100449799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100450057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994505 + ... + 994605.

It is an arithmetic number, because the mean of its divisors is an integer number (4153950).

Almost surely, 2^100450055 is an apocalyptic number.

100450055 is a deficient number, since it is larger than the sum of its proper divisors (32476345).

100450055 is an equidigital number, since it uses as much as digits as its factorization.

100450055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 100450055 is about 10022.4774881264. The cubic root of 100450055 is about 464.8541647734.

The spelling of 100450055 in words is "one hundred million, four hundred fifty thousand, fifty-five".