100500550 has 48 divisors (see below), whose sum is σ = 192768912. Its totient is φ = 38966400.

The previous prime is 100500539. The next prime is 100500551. The reversal of 100500550 is 55005001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100500551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252952 + ... + 253348.

It is an arithmetic number, because the mean of its divisors is an integer number (4016019).

Almost surely, 2^100500550 is an apocalyptic number.

100500550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100500550 is a deficient number, since it is larger than the sum of its proper divisors (92268362).

100500550 is a wasteful number, since it uses less digits than its factorization.

100500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 100500550 is about 10024.9962593509. The cubic root of 100500550 is about 464.9320438712.

Adding to 100500550 its reverse (55005001), we get a palindrome (155505551).

The spelling of 100500550 in words is "one hundred million, five hundred thousand, five hundred fifty".