551006655 has 16 divisors (see below), whose sum is σ = 882058464. Its totient is φ = 293720960.

The previous prime is 551006629. The next prime is 551006671. The reversal of 551006655 is 556600155.

551006655 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551006655 - 2⁵ = 551006623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25345 + ... + 41765.

It is an arithmetic number, because the mean of its divisors is an integer number (55128654).

Almost surely, 2^551006655 is an apocalyptic number.

551006655 is a deficient number, since it is larger than the sum of its proper divisors (331051809).

551006655 is a wasteful number, since it uses less digits than its factorization.

551006655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18666.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 551006655 is about 23473.5309444489. The cubic root of 551006655 is about 819.8208288886.

The spelling of 551006655 in words is "five hundred fifty-one million, six thousand, six hundred fifty-five".