1000100550 has 24 divisors (see below), whose sum is σ = 2480249736. Its totient is φ = 266693440.

The previous prime is 1000100539. The next prime is 1000100557. The reversal of 1000100550 is 550010001.

It is a super-2 number, since 2×1000100550² = 2000402220220605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000100557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3333519 + ... + 3333818.

It is an arithmetic number, because the mean of its divisors is an integer number (103343739).

Almost surely, 2^1000100550 is an apocalyptic number.

1000100550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000100550 is an abundant number, since it is smaller than the sum of its proper divisors (1480149186).

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

1000100550 is a wasteful number, since it uses less digits than its factorization.

1000100550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667352 (or 6667347 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 1000100550 is about 31624.3663968150. The cubic root of 1000100550 is about 1000.0335155434.

Adding to 1000100550 its reverse (550010001), we get a palindrome (1550110551).

The spelling of 1000100550 in words is "one billion, one hundred thousand, five hundred fifty".