100006550 has 36 divisors (see below), whose sum is σ = 216386820. Its totient is φ = 34287120.

The previous prime is 100006549. The next prime is 100006561. The reversal of 100006550 is 55600001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17960 + ... + 22859.

It is an arithmetic number, because the mean of its divisors is an integer number (6010745).

Almost surely, 2^100006550 is an apocalyptic number.

100006550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100006550 is an abundant number, since it is smaller than the sum of its proper divisors (116380270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100006550 is a wasteful number, since it uses less digits than its factorization.

100006550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40845 (or 40833 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 100006550 is about 10000.3274946374. The cubic root of 100006550 is about 464.1690172756.

Adding to 100006550 its reverse (55600001), we get a palindrome (155606551).

The spelling of 100006550 in words is "one hundred million, six thousand, five hundred fifty".