551006055 has 24 divisors (see below), whose sum is σ = 996604128. Its totient is φ = 281092416.

The previous prime is 551006039. The next prime is 551006069. The reversal of 551006055 is 550600155.

551006055 is a `hidden beast` number, since 5 + 51 + 0 + 0 + 605 + 5 = 666.

It is not a de Polignac number, because 551006055 - 2⁴ = 551006039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265152 + ... + 267221.

It is an arithmetic number, because the mean of its divisors is an integer number (41525172).

Almost surely, 2^551006055 is an apocalyptic number.

551006055 is a deficient number, since it is larger than the sum of its proper divisors (445598073).

551006055 is a wasteful number, since it uses less digits than its factorization.

551006055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532407 (or 532404 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 551006055 is about 23473.5181640929. The cubic root of 551006055 is about 819.8205313165.

The spelling of 551006055 in words is "five hundred fifty-one million, six thousand, fifty-five".