551105055 has 12 divisors (see below), whose sum is σ = 955248840. Its totient is φ = 293922672.

The previous prime is 551105041. The next prime is 551105059. The reversal of 551105055 is 550501155.

551105055 is a `hidden beast` number, since 551 + 10 + 50 + 55 = 666.

It is not a de Polignac number, because 551105055 - 2⁴ = 551105039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551105059) 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, 6123345 + ... + 6123434.

It is an arithmetic number, because the mean of its divisors is an integer number (79604070).

Almost surely, 2^551105055 is an apocalyptic number.

551105055 is a deficient number, since it is larger than the sum of its proper divisors (404143785).

551105055 is a wasteful number, since it uses less digits than its factorization.

551105055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246790 (or 12246787 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 551105055 is about 23475.6268286919. The cubic root of 551105055 is about 819.8696277959.

The spelling of 551105055 in words is "five hundred fifty-one million, one hundred five thousand, fifty-five".