100326550 has 48 divisors (see below), whose sum is σ = 192844800. Its totient is φ = 38813600.

The previous prime is 100326539. The next prime is 100326557. The reversal of 100326550 is 55623001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100326557) 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 23 ways as a sum of consecutive naturals, for example, 209211 + ... + 209689.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^100326550 is an apocalyptic number.

100326550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100326550 is a deficient number, since it is larger than the sum of its proper divisors (92518250).

100326550 is a wasteful number, since it uses less digits than its factorization.

100326550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 100326550 is about 10016.3141923564. The cubic root of 100326550 is about 464.6635713509.

Adding to 100326550 its reverse (55623001), we get a palindrome (155949551).

The spelling of 100326550 in words is "one hundred million, three hundred twenty-six thousand, five hundred fifty".