551100006 has 24 divisors (see below), whose sum is σ = 1198706184. Its totient is φ = 182983680.

The previous prime is 551100001. The next prime is 551100023. The reversal of 551100006 is 600001155.

It is a super-2 number, since 2×551100006² = 607422433226400072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551100001) 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, 54940 + ... + 64191.

It is an arithmetic number, because the mean of its divisors is an integer number (49946091).

Almost surely, 2^551100006 is an apocalyptic number.

551100006 is an abundant number, since it is smaller than the sum of its proper divisors (647606178).

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

551100006 is a wasteful number, since it uses less digits than its factorization.

551100006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119396 (or 119393 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 551100006 is about 23475.5192913810. The cubic root of 551100006 is about 819.8671240177.

The spelling of 551100006 in words is "five hundred fifty-one million, one hundred thousand, six".