551105655 has 16 divisors (see below), whose sum is σ = 883155840. Its totient is φ = 293460768.

The previous prime is 551105651. The next prime is 551105657. The reversal of 551105655 is 556501155.

551105655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551105655 - 2² = 551105651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551105651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18925 + ... + 38214.

It is an arithmetic number, because the mean of its divisors is an integer number (55197240).

Almost surely, 2^551105655 is an apocalyptic number.

551105655 is a deficient number, since it is larger than the sum of its proper divisors (332050185).

551105655 is a wasteful number, since it uses less digits than its factorization.

551105655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57790.

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 551105655 is about 23475.6396078999. The cubic root of 551105655 is about 819.8699253324.

The spelling of 551105655 in words is "five hundred fifty-one million, one hundred five thousand, six hundred fifty-five".